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13012211131002 = 2327871606957163
BaseRepresentation
bin1011110101011010010000…
…1110001110001001111010
31201001221210100220020220200
42331112210032032021322
53201143002022143002
643401421031303030
72512046502452406
oct275264416161172
951057710806820
1013012211131002
1141674a1a571a6
121561a2b21aa76
1373507a7a3815
1432db19ac2106
1517872670eb1c
hexbd5a438e27a

13012211131002 has 48 divisors (see below), whose sum is σ = 28231198251360. Its totient is φ = 4331547039456.

The previous prime is 13012211130959. The next prime is 13012211131019. The reversal of 13012211131002 is 20013111221031.

13012211131002 is a `hidden beast` number, since 130 + 1 + 221 + 1 + 1 + 310 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227604873 + ... + 227662035.

It is an arithmetic number, because the mean of its divisors is an integer number (588149963570).

Almost surely, 213012211131002 is an apocalyptic number.

13012211131002 is an abundant number, since it is smaller than the sum of its proper divisors (15218987120358).

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

13012211131002 is a wasteful number, since it uses less digits than its factorization.

13012211131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74027 (or 74024 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 13012211131002 its reverse (20013111221031), we get a palindrome (33025322352033).

The spelling of 13012211131002 in words is "thirteen trillion, twelve billion, two hundred eleven million, one hundred thirty-one thousand, two".

Divisors: 1 2 3 6 9 18 787 1574 2361 4722 7083 14166 16069 32138 48207 57163 96414 114326 144621 171489 289242 342978 514467 1028934 12646303 25292606 37938909 44987281 75877818 89974562 113816727 134961843 227633454 269923686 404885529 809771058 918552247 1837104494 2755656741 5511313482 8266970223 16533940446 722900618389 1445801236778 2168701855167 4337403710334 6506105565501 13012211131002