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13120111302 = 232213988109
BaseRepresentation
bin11000011100000010…
…10000001011000110
31020212100210201012020
430032001100023012
5203332222030202
610005521304010
7643062051234
oct141601201306
936770721166
1013120111302
115622a628a1
122661a95006
13131123748c
148c66b3954
1551bc7a5bc
hex30e0502c6

13120111302 has 16 divisors (see below), whose sum is σ = 26252106480. Its totient is φ = 4371389792.

The previous prime is 13120111273. The next prime is 13120111313. The reversal of 13120111302 is 20311102131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480777 + ... + 507332.

It is an arithmetic number, because the mean of its divisors is an integer number (1640756655).

Almost surely, 213120111302 is an apocalyptic number.

13120111302 is an abundant number, since it is smaller than the sum of its proper divisors (13131995178).

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

13120111302 is a wasteful number, since it uses less digits than its factorization.

13120111302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990327.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13120111302 its reverse (20311102131), we get a palindrome (33431213433).

The spelling of 13120111302 in words is "thirteen billion, one hundred twenty million, one hundred eleven thousand, three hundred two".

Divisors: 1 2 3 6 2213 4426 6639 13278 988109 1976218 2964327 5928654 2186685217 4373370434 6560055651 13120111302