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136825177451 = 19137247721221
BaseRepresentation
bin111111101101101101…
…0101000010101101011
3111002011120201011221212
41333123122220111223
54220204221134301
6142505010223335
712612440550614
oct1773332502553
9432146634855
10136825177451
1153033277a56
1222626584b4b
13cb96bca381
14689db18c0b
15385c1484bb
hex1fdb6a856b

136825177451 has 16 divisors (see below), whose sum is σ = 145143200160. Its totient is φ = 128619682560.

The previous prime is 136825177439. The next prime is 136825177469. The reversal of 136825177451 is 154771528631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136825177451 - 210 = 136825176427 is a prime.

It is a super-2 number, since 2×1368251774512 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136825177451.

It is not an unprimeable number, because it can be changed into a prime (136825177421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6437021 + ... + 6458241.

It is an arithmetic number, because the mean of its divisors is an integer number (9071450010).

Almost surely, 2136825177451 is an apocalyptic number.

136825177451 is a deficient number, since it is larger than the sum of its proper divisors (8318022709).

136825177451 is a wasteful number, since it uses less digits than its factorization.

136825177451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23854.

The product of its digits is 1411200, while the sum is 50.

The spelling of 136825177451 in words is "one hundred thirty-six billion, eight hundred twenty-five million, one hundred seventy-seven thousand, four hundred fifty-one".

Divisors: 1 19 137 2477 2603 21221 47063 339349 403199 2907277 6447631 52564417 55238263 998723923 7201325129 136825177451