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49699135960 = 2351242478399
BaseRepresentation
bin101110010010010011…
…001010000111011000
311202021121200200202021
4232102103022013120
51303240434322320
634455332544224
73406406454055
oct562223120730
9152247620667
1049699135960
111a093959491
129770182074
1348c062b876
1425967b402c
15145d264daa
hexb924ca1d8

49699135960 has 16 divisors (see below), whose sum is σ = 111823056000. Its totient is φ = 19879654368.

The previous prime is 49699135951. The next prime is 49699136027. The reversal of 49699135960 is 6953199694.

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, 621239160 + ... + 621239239.

It is an arithmetic number, because the mean of its divisors is an integer number (6988941000).

Almost surely, 249699135960 is an apocalyptic number.

49699135960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49699135960 is an abundant number, since it is smaller than the sum of its proper divisors (62123920040).

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

49699135960 is a wasteful number, since it uses less digits than its factorization.

49699135960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242478410 (or 1242478406 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 61.

The spelling of 49699135960 in words is "forty-nine billion, six hundred ninety-nine million, one hundred thirty-five thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1242478399 2484956798 4969913596 6212391995 9939827192 12424783990 24849567980 49699135960