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136690908480 = 263457753367
BaseRepresentation
bin111111101001101101…
…0011011110101000000
3111001211020001121120000
41333103122123311000
54214420333032410
6142443412320000
712606220360110
oct1772332336500
9431736047500
10136690908480
1152a744aa765
12225a9613000
13cb75148789
146889d67040
153850474dc0
hex1fd369bd40

136690908480 has 280 divisors, whose sum is σ = 555696290688. Its totient is φ = 31243594752.

The previous prime is 136690908463. The next prime is 136690908511. The reversal of 136690908480 is 84809096631.

136690908480 is a `hidden beast` number, since 13 + 6 + 69 + 0 + 90 + 8 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (280).

It is a super-2 number, since 2×1366909084802 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 195244 + ... + 558123.

Almost surely, 2136690908480 is an apocalyptic number.

136690908480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136690908480 is an abundant number, since it is smaller than the sum of its proper divisors (419005382208).

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

136690908480 is an equidigital number, since it uses as much as digits as its factorization.

136690908480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753403 (or 753384 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 136690908480 in words is "one hundred thirty-six billion, six hundred ninety million, nine hundred eight thousand, four hundred eighty".