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13421025202 = 213679375989
BaseRepresentation
bin11000111111111010…
…01001011110110010
31021122100000201110111
430133331021132302
5204441240301302
610055431051534
7653404555234
oct143775113662
937570021414
1013421025202
115767900972
122726810baa
13135b695240
14914644254
155383ba0d7
hex31ff497b2

13421025202 has 16 divisors (see below), whose sum is σ = 21683594520. Its totient is φ = 6193325952.

The previous prime is 13421025199. The next prime is 13421025229. The reversal of 13421025202 is 20252012431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2883797401 + 10537227801 = 53701^2 + 102651^2 .

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, 138624 + ... + 214612.

Almost surely, 213421025202 is an apocalyptic number.

13421025202 is a deficient number, since it is larger than the sum of its proper divisors (8262569318).

13421025202 is a wasteful number, since it uses less digits than its factorization.

13421025202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82797.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 13421025202 its reverse (20252012431), we get a palindrome (33673037633).

The spelling of 13421025202 in words is "thirteen billion, four hundred twenty-one million, twenty-five thousand, two hundred two".

Divisors: 1 2 13 26 6793 13586 75989 88309 151978 176618 987857 1975714 516193277 1032386554 6710512601 13421025202