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13123130012202 = 237643485933867
BaseRepresentation
bin1011111011110111011110…
…0000001011001000101010
31201110120002111100020022210
42332331313200023020222
53210002132240342302
643524403244025550
72523054252420660
oct276756740131052
951416074306283
1013123130012202
1141aa540855361
12157b4258322b6
137426764781c2
1433523cd38c30
1517b56931366c
hexbef7780b22a

13123130012202 has 32 divisors (see below), whose sum is σ = 30042375455232. Its totient is φ = 3743634503664.

The previous prime is 13123130012177. The next prime is 13123130012227. The reversal of 13123130012202 is 20221003132131.

It is an interprime number because it is at equal distance from previous prime (13123130012177) and next prime (13123130012227).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 242939928 + ... + 242993939.

It is an arithmetic number, because the mean of its divisors is an integer number (938824232976).

Almost surely, 213123130012202 is an apocalyptic number.

13123130012202 is an abundant number, since it is smaller than the sum of its proper divisors (16919245443030).

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

13123130012202 is a wasteful number, since it uses less digits than its factorization.

13123130012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485934522.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13123130012202 its reverse (20221003132131), we get a palindrome (33344133144333).

The spelling of 13123130012202 in words is "thirteen trillion, one hundred twenty-three billion, one hundred thirty million, twelve thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 643 1286 1929 3858 4501 9002 13503 27006 485933867 971867734 1457801601 2915603202 3401537069 6803074138 10204611207 20409222414 312455476481 624910952962 937366429443 1874732858886 2187188335367 4374376670734 6561565006101 13123130012202