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49997071827 = 3319293933161
BaseRepresentation
bin101110100100000011…
…101100010111010011
311210001101022101221000
4232210003230113103
51304343222244302
634545054433043
73416655045543
oct564403542723
9153041271830
1049997071827
111a22705307a
129833b02783
13493a285c91
1425c41ab323
1514794b731c
hexba40ec5d3

49997071827 has 32 divisors (see below), whose sum is σ = 77997024000. Its totient is φ = 31565401920.

The previous prime is 49997071783. The next prime is 49997071841. The reversal of 49997071827 is 72817079994.

49997071827 is a `hidden beast` number, since 499 + 9 + 70 + 71 + 8 + 2 + 7 = 666.

49997071827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49997071827 - 27 = 49997071699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49997071427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1491127 + ... + 1524287.

It is an arithmetic number, because the mean of its divisors is an integer number (2437407000).

Almost surely, 249997071827 is an apocalyptic number.

49997071827 is a deficient number, since it is larger than the sum of its proper divisors (27999952173).

49997071827 is a wasteful number, since it uses less digits than its factorization.

49997071827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36128 (or 36122 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 63.

The spelling of 49997071827 in words is "forty-nine billion, nine hundred ninety-seven million, seventy-one thousand, eight hundred twenty-seven".

Divisors: 1 3 9 19 27 57 171 513 2939 8817 26451 33161 55841 79353 99483 167523 298449 502569 630059 895347 1507707 1890177 5670531 17011593 97460179 292380537 877141611 1851743401 2631424833 5555230203 16665690609 49997071827