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49742864320 = 265155446451
BaseRepresentation
bin101110010100111001…
…111101111111000000
311202101122222022210011
4232110321331333000
51303333133124240
634503534114304
73410450241022
oct562471757700
9152348868704
1049742864320
111a106606226
12978294b994
1348c96cc436
14259c518012
1514620016ea
hexb94e7dfc0

49742864320 has 28 divisors (see below), whose sum is σ = 118450196424. Its totient is φ = 19897145600.

The previous prime is 49742864309. The next prime is 49742864351. The reversal of 49742864320 is 2346824794.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77722906 + ... + 77723545.

It is an arithmetic number, because the mean of its divisors is an integer number (4230364158).

Almost surely, 249742864320 is an apocalyptic number.

49742864320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49742864320 is an abundant number, since it is smaller than the sum of its proper divisors (68707332104).

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

49742864320 is a wasteful number, since it uses less digits than its factorization.

49742864320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155446468 (or 155446458 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 49742864320 in words is "forty-nine billion, seven hundred forty-two million, eight hundred sixty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 155446451 310892902 621785804 777232255 1243571608 1554464510 2487143216 3108929020 4974286432 6217858040 9948572864 12435716080 24871432160 49742864320