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49880533188 = 2234156711099
BaseRepresentation
bin101110011101000111…
…001000100011000100
311202202021000121222010
4232131013020203010
51304123404030223
634525332534220
73414041352003
oct563507104304
9152667017863
1049880533188
111a177295952
129800a81370
13491c0a16c5
1425b2912c3a
15146e147393
hexb9d1c88c4

49880533188 has 12 divisors (see below), whose sum is σ = 116387910800. Its totient is φ = 16626844392.

The previous prime is 49880533151. The next prime is 49880533201. The reversal of 49880533188 is 88133508894.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×498805331882 (a number of 22 digits) contains 22 as substring.

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, 2078355538 + ... + 2078355561.

Almost surely, 249880533188 is an apocalyptic number.

It is an amenable number.

49880533188 is an abundant number, since it is smaller than the sum of its proper divisors (66507377612).

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

49880533188 is a wasteful number, since it uses less digits than its factorization.

49880533188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156711106 (or 4156711104 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 49880533188 in words is "forty-nine billion, eight hundred eighty million, five hundred thirty-three thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 12 4156711099 8313422198 12470133297 16626844396 24940266594 49880533188