Search a number
-
+
315254332222120 = 23561157182242263
BaseRepresentation
bin100011110101110001101111…
…0011111000110101010101000
31112100020000112110020111202001
41013223203132133012222220
5312310111333022101440
63034253501344020344
7123255242145124504
oct10753433637065250
91470200473214661
10315254332222120
11914a467a96a905
122b43649a0016b4
13106ba4820a5205
1457bc569233304
15266a74e2d8b9a
hex11eb8de7c6aa8

315254332222120 has 64 divisors (see below), whose sum is σ = 721409401664640. Its totient is φ = 123955537286400.

The previous prime is 315254332222013. The next prime is 315254332222129. The reversal of 315254332222120 is 21222233452513.

It is a self number, because there is not a number n which added to its sum of digits gives 315254332222120.

It is not an unprimeable number, because it can be changed into a prime (315254332222129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37287892 + ... + 44954371.

It is an arithmetic number, because the mean of its divisors is an integer number (11272021901010).

Almost surely, 2315254332222120 is an apocalyptic number.

It is an amenable number.

315254332222120 is an abundant number, since it is smaller than the sum of its proper divisors (406155069442520).

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

315254332222120 is a wasteful number, since it uses less digits than its factorization.

315254332222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82243906 (or 82243902 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 315254332222120 its reverse (21222233452513), we get a palindrome (336476565674633).

The spelling of 315254332222120 in words is "three hundred fifteen trillion, two hundred fifty-four billion, three hundred thirty-two million, two hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 1571 2440 3142 6284 7855 12568 15710 31420 62840 95831 191662 383324 479155 766648 958310 1916620 3833240 82242263 164484526 328969052 411211315 657938104 822422630 1644845260 3289690520 5016778043 10033556086 20067112172 25083890215 40134224344 50167780430 100335560860 129202595173 200671121720 258405190346 516810380692 646012975865 1033620761384 1292025951730 2584051903460 5168103806920 7881358305553 15762716611106 31525433222212 39406791527765 63050866444424 78813583055530 157627166111060 315254332222120