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10103312220 = 2235592854043
BaseRepresentation
bin10010110100011010…
…00100111101011100
3222002010011102211220
421122031010331130
5131142421442340
64350313013340
7505240510521
oct113215047534
928063142756
1010103312220
114315069011
121b5b6b4250
13c50220771
146bbb77148
153e1eb8ed0
hex25a344f5c

10103312220 has 48 divisors (see below), whose sum is σ = 28768763520. Its totient is φ = 2648550976.

The previous prime is 10103312213. The next prime is 10103312237. The reversal of 10103312220 is 2221330101.

10103312220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10103312220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1423482 + ... + 1430561.

It is an arithmetic number, because the mean of its divisors is an integer number (599349240).

Almost surely, 210103312220 is an apocalyptic number.

10103312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10103312220 is an abundant number, since it is smaller than the sum of its proper divisors (18665451300).

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

10103312220 is a wasteful number, since it uses less digits than its factorization.

10103312220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854114 (or 2854112 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10103312220 its reverse (2221330101), we get a palindrome (12324642321).

The spelling of 10103312220 in words is "ten billion, one hundred three million, three hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 2854043 5708086 8562129 11416172 14270215 17124258 28540430 34248516 42810645 57080860 85621290 168388537 171242580 336777074 505165611 673554148 841942685 1010331222 1683885370 2020662444 2525828055 3367770740 5051656110 10103312220