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136192442880 = 29351323127467
BaseRepresentation
bin111111011010110110…
…0111100001000000000
3111000112111002221022010
41332311230330020000
54212410231133010
6142322124412520
712560655443454
oct1766554741000
9430474087263
10136192442880
11528390a111a
122248a6a7140
13cac5aacc10
14683da90664
153821811620
hex1fb5b3c200

136192442880 has 640 divisors, whose sum is σ = 494176370688. Its totient is φ = 31746097152.

The previous prime is 136192442819. The next prime is 136192442923. The reversal of 136192442880 is 88244291631.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291632407 + ... + 291632873.

Almost surely, 2136192442880 is an apocalyptic number.

136192442880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136192442880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247088185344).

136192442880 is an abundant number, since it is smaller than the sum of its proper divisors (357983927808).

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

136192442880 is a wasteful number, since it uses less digits than its factorization.

136192442880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 136192442880 in words is "one hundred thirty-six billion, one hundred ninety-two million, four hundred forty-two thousand, eight hundred eighty".