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13012212210 = 2351019425653
BaseRepresentation
bin11000001111001011…
…01001100111110010
31020120211202212110120
430013211221213302
5203122111242320
65551104511110
7640311656514
oct140745514762
936524685416
1013012212210
115578066698
12263191b496
1312c4a8946a
148b6227bb4
15512565440
hex3079699f2

13012212210 has 32 divisors (see below), whose sum is σ = 31260029760. Its totient is φ = 3466509888.

The previous prime is 13012212209. The next prime is 13012212247. The reversal of 13012212210 is 1221221031.

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 13012212210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182257 + ... + 243396.

It is an arithmetic number, because the mean of its divisors is an integer number (976875930).

Almost surely, 213012212210 is an apocalyptic number.

13012212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012212210 is an abundant number, since it is smaller than the sum of its proper divisors (18247817550).

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

13012212210 is a wasteful number, since it uses less digits than its factorization.

13012212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426682.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13012212210 its reverse (1221221031), we get a palindrome (14233433241).

The spelling of 13012212210 in words is "thirteen billion, twelve million, two hundred twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1019 2038 3057 5095 6114 10190 15285 30570 425653 851306 1276959 2128265 2553918 4256530 6384795 12769590 433740407 867480814 1301221221 2168702035 2602442442 4337404070 6506106105 13012212210