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315103434100 = 225271340186351
BaseRepresentation
bin1001001010111011010…
…00001101010101110100
31010010100002200222100021
410211131220031111310
520130312434342400
6400431224054524
731523361666040
oct4453550152564
91103302628307
10315103434100
111116a8745944
125109b604444
1323938c21570
1411372dad020
1582e360571a
hex495da0d574

315103434100 has 144 divisors (see below), whose sum is σ = 843677001216. Its totient is φ = 99475200000.

The previous prime is 315103434097. The next prime is 315103434161. The reversal of 315103434100 is 1434301513.

It is a super-2 number, since 2×3151034341002 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3605925 + ... + 3692275.

It is an arithmetic number, because the mean of its divisors is an integer number (5858868064).

Almost surely, 2315103434100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315103434100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421838500608).

315103434100 is an abundant number, since it is smaller than the sum of its proper divisors (528573567116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315103434100 is a wasteful number, since it uses less digits than its factorization.

315103434100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86786 (or 86779 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 315103434100 its reverse (1434301513), we get a palindrome (316537735613).

The spelling of 315103434100 in words is "three hundred fifteen billion, one hundred three million, four hundred thirty-four thousand, one hundred".

Divisors: 1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 65 70 91 100 130 140 175 182 260 325 350 364 401 455 650 700 802 910 1300 1604 1820 2005 2275 2807 4010 4550 5213 5614 8020 9100 10025 10426 11228 14035 20050 20852 26065 28070 36491 40100 52130 56140 70175 72982 86351 104260 130325 140350 145964 172702 182455 260650 280700 345404 364910 431755 521300 604457 729820 863510 912275 1122563 1208914 1727020 1824550 2158775 2245126 2417828 3022285 3649100 4317550 4490252 5612815 6044570 7857941 8635100 11225630 12089140 15111425 15715882 22451260 28064075 30222850 31431764 34626751 39289705 56128150 60445700 69253502 78579410 112256300 138507004 157158820 173133755 196448525 242387257 346267510 392897050 450147763 484774514 692535020 785794100 865668775 900295526 969549028 1211936285 1731337550 1800591052 2250738815 2423872570 3151034341 3462675100 4501477630 4847745140 6059681425 6302068682 9002955260 11253694075 12119362850 12604137364 15755171705 22507388150 24238725700 31510343410 45014776300 63020686820 78775858525 157551717050 315103434100