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13102031302002 = 2321084136714053
BaseRepresentation
bin1011111010101000110111…
…1010111110110101110010
31201101112122002101201000200
42332222031322332311302
53204130430003131002
643510553505300030
72521406356352226
oct276521572766562
951345562351020
1013102031302002
1141a15a4112085
121577317934616
137406932819b6
143341dab6c786
1517ac31db8b1c
hexbea8debed72

13102031302002 has 24 divisors (see below), whose sum is σ = 28388000563884. Its totient is φ = 4367302832544.

The previous prime is 13102031302001. The next prime is 13102031302057. The reversal of 13102031302002 is 20020313020131.

13102031302002 is a `hidden beast` number, since 1 + 310 + 20 + 3 + 130 + 200 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11143372272561 + 1958659029441 = 3338169^2 + 1399521^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13102031302001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1405593 + ... + 5308460.

Almost surely, 213102031302002 is an apocalyptic number.

13102031302002 is an abundant number, since it is smaller than the sum of its proper divisors (15285969261882).

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

13102031302002 is a wasteful number, since it uses less digits than its factorization.

13102031302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822474 (or 6822471 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13102031302002 its reverse (20020313020131), we get a palindrome (33122344322133).

The spelling of 13102031302002 in words is "thirteen trillion, one hundred two billion, thirty-one million, three hundred two thousand, two".

Divisors: 1 2 3 6 9 18 108413 216826 325239 650478 975717 1951434 6714053 13428106 20142159 40284318 60426477 120852954 727890627889 1455781255778 2183671883667 4367343767334 6551015651001 13102031302002