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136199831040 = 29325713219263
BaseRepresentation
bin111111011011000100…
…1000111111000000000
3111000120000000021221200
41332312021013320000
54212414124043130
6142322551021200
712561105314340
oct1766611077000
9430500007850
10136199831040
1152842287a39
122249106a800
13cac7498a00
146840a54d20
1538222c0760
hex1fb6247e00

136199831040 has 1440 divisors, whose sum is σ = 616801236480. Its totient is φ = 27120697344.

The previous prime is 136199831011. The next prime is 136199831041. The reversal of 136199831040 is 40138991631.

136199831040 is a `hidden beast` number, since 13 + 619 + 9 + 8 + 3 + 10 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136199831041) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 517869949 + ... + 517870211.

It is an arithmetic number, because the mean of its divisors is an integer number (428334192).

Almost surely, 2136199831040 is an apocalyptic number.

136199831040 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 136199831040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308400618240).

136199831040 is an abundant number, since it is smaller than the sum of its proper divisors (480601405440).

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

136199831040 is a wasteful number, since it uses less digits than its factorization.

136199831040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 136199831040 in words is "one hundred thirty-six billion, one hundred ninety-nine million, eight hundred thirty-one thousand, forty".