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137839242240 = 210355731719
BaseRepresentation
bin1000000001011111011…
…0111110110000000000
3111011210020212000100000
42000113312332300000
54224243321222430
6143153353200000
712646533141000
oct2002766766000
9434706760300
10137839242240
1153503727927
122286a100000
13ccc90202cb
146958688000
1538bb1a6e60
hex2017dbec00

137839242240 has 2112 divisors, whose sum is σ = 643773312000. Its totient is φ = 28092137472.

The previous prime is 137839242227. The next prime is 137839242263. The reversal of 137839242240 is 42242938731.

137839242240 is a `hidden beast` number, since 1 + 37 + 8 + 392 + 4 + 224 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7254696951 + ... + 7254696969.

Almost surely, 2137839242240 is an apocalyptic number.

137839242240 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 137839242240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321886656000).

137839242240 is an abundant number, since it is smaller than the sum of its proper divisors (505934069760).

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

137839242240 is an equidigital number, since it uses as much as digits as its factorization.

137839242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 137839242240 in words is "one hundred thirty-seven billion, eight hundred thirty-nine million, two hundred forty-two thousand, two hundred forty".