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149999113600 = 2752752789
BaseRepresentation
bin1000101110110010100…
…1001101010110000000
3112100011200210110221221
42023230221031112000
54424144233113400
6152524133324424
713560055300000
oct2135451152600
9470150713857
10149999113600
1158683653196
12250a2496714
13111b632bb6b
14738d600000
153d7d9a6c1a
hex22eca4d580

149999113600 has 288 divisors, whose sum is σ = 432453459600. Its totient is φ = 51409827840.

The previous prime is 149999113577. The next prime is 149999113609. The reversal of 149999113600 is 6311999941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149999113609) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 53781006 + ... + 53783794.

Almost surely, 2149999113600 is an apocalyptic number.

149999113600 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 149999113600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216226729800).

149999113600 is an abundant number, since it is smaller than the sum of its proper divisors (282454346000).

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

149999113600 is an frugal number, since it uses more digits than its factorization.

149999113600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2803 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 52.

The spelling of 149999113600 in words is "one hundred forty-nine billion, nine hundred ninety-nine million, one hundred thirteen thousand, six hundred".