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13405502131002 = 233248250039463
BaseRepresentation
bin1100001100010011011000…
…1100010100101100111010
31202110112221111022010002000
43003010312030110230322
53224113432021143002
644302222550321430
72552341561010562
oct303046614245472
952415844263060
1013405502131002
1142a92725215a3
1216060ab659276
137631971a5377
14344b88c37da2
15183a9412161c
hexc3136314b3a

13405502131002 has 16 divisors (see below), whose sum is σ = 29790004735680. Its totient is φ = 4468500710316.

The previous prime is 13405502130949. The next prime is 13405502131019. The reversal of 13405502131002 is 20013120550431.

13405502131002 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 550 + 2 + 1 + 3 + 100 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 124125019678 + ... + 124125019785.

It is an arithmetic number, because the mean of its divisors is an integer number (1861875295980).

Almost surely, 213405502131002 is an apocalyptic number.

13405502131002 is an abundant number, since it is smaller than the sum of its proper divisors (16384502604678).

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

13405502131002 is a wasteful number, since it uses less digits than its factorization.

13405502131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248250039474 (or 248250039468 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13405502131002 its reverse (20013120550431), we get a palindrome (33418622681433).

The spelling of 13405502131002 in words is "thirteen trillion, four hundred five billion, five hundred two million, one hundred thirty-one thousand, two".

Divisors: 1 2 3 6 9 18 27 54 248250039463 496500078926 744750118389 1489500236778 2234250355167 4468500710334 6702751065501 13405502131002