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149231503008 = 253371953107229
BaseRepresentation
bin1000101011111011100…
…1000000011010100000
3112021012012101211012000
42022332321000122200
54421111231044013
6152320033004000
713532044563150
oct2127671003240
9467165354160
10149231503008
115831a324a75
1224b093b3600
13110c32a9703
1473196a6760
153d363cb973
hex22bee406a0

149231503008 has 768 divisors, whose sum is σ = 540836352000. Its totient is φ = 39089516544.

The previous prime is 149231502997. The next prime is 149231503021. The reversal of 149231503008 is 800305132941.

149231503008 is a `hidden beast` number, since 149 + 2 + 3 + 1 + 503 + 0 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 651665838 + ... + 651666066.

It is an arithmetic number, because the mean of its divisors is an integer number (704214000).

Almost surely, 2149231503008 is an apocalyptic number.

149231503008 is a gapful number since it is divisible by the number (18) 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 149231503008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270418176000).

149231503008 is an abundant number, since it is smaller than the sum of its proper divisors (391604848992).

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

149231503008 is a wasteful number, since it uses less digits than its factorization.

149231503008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 149231503008 its reverse (800305132941), we get a palindrome (949536635949).

The spelling of 149231503008 in words is "one hundred forty-nine billion, two hundred thirty-one million, five hundred three thousand, eight".