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150279012640 = 2551755249637
BaseRepresentation
bin1000101111110101010…
…0111100000100100000
3112100220012110211021001
42023331110330010200
54430232411401030
6153012012441344
713600024350121
oct2137524740440
9470805424231
10150279012640
1158807648509
1225160179254
131122c30c5b3
1473b8860048
153d98344cca
hex22fd53c120

150279012640 has 48 divisors (see below), whose sum is σ = 375918536952. Its totient is φ = 56575627264.

The previous prime is 150279012629. The next prime is 150279012641. The reversal of 150279012640 is 46210972051.

It can be written as a sum of positive squares in 4 ways, for example, as 148037179536 + 2241833104 = 384756^2 + 47348^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 150279012640.

It is not an unprimeable number, because it can be changed into a prime (150279012641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27622099 + ... + 27627538.

Almost surely, 2150279012640 is an apocalyptic number.

150279012640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150279012640 is an abundant number, since it is smaller than the sum of its proper divisors (225639524312).

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

150279012640 is a wasteful number, since it uses less digits than its factorization.

150279012640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55249669 (or 55249661 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 150279012640 its reverse (46210972051), we get a palindrome (196489984691).

The spelling of 150279012640 in words is "one hundred fifty billion, two hundred seventy-nine million, twelve thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 55249637 110499274 220998548 276248185 441997096 552496370 883994192 939243829 1104992740 1767988384 1878487658 2209985480 3756975316 4419970960 4696219145 7513950632 8839941920 9392438290 15027901264 18784876580 30055802528 37569753160 75139506320 150279012640