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131022013421002 = 21123457566601281
BaseRepresentation
bin11101110010100111110000…
…100100010101010111001010
3122011220120201101120100212211
4131302213300210111113022
5114133131040413433002
61142354403152255334
736412012430354464
oct3562476044252712
9564816641510784
10131022013421002
113882513a926140
1212840b3b24154a
1358154273c1712
14244d6dc07b134
1510232b36dedd7
hex7729f09155ca

131022013421002 has 32 divisors (see below), whose sum is σ = 224210926502784. Its totient is φ = 56841440409600.

The previous prime is 131022013420981. The next prime is 131022013421017. The reversal of 131022013421002 is 200124310220131.

It is a super-2 number, since 2×1310220134210022 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 283069399 + ... + 283531882.

It is an arithmetic number, because the mean of its divisors is an integer number (7006591453212).

Almost surely, 2131022013421002 is an apocalyptic number.

131022013421002 is a deficient number, since it is larger than the sum of its proper divisors (93188913081782).

131022013421002 is a wasteful number, since it uses less digits than its factorization.

131022013421002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566601774.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 131022013421002 its reverse (200124310220131), we get a palindrome (331146323641133).

The spelling of 131022013421002 in words is "one hundred thirty-one trillion, twenty-two billion, thirteen million, four hundred twenty-one thousand, two".

Divisors: 1 2 11 22 23 46 253 457 506 914 5027 10054 10511 21022 115621 231242 566601281 1133202562 6232614091 12465228182 13031829463 26063658926 143350124093 258936785417 286700248186 517873570834 2848304639587 5696609279174 5955546064591 11911092129182 65511006710501 131022013421002