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49712821794 = 23318143111801
BaseRepresentation
bin101110010011000111…
…010111011000100010
311202022120110000012000
4232103013113120202
51303302440244134
634500542144430
73406634004336
oct562307273042
9152276400160
1049712821794
111a0a0656899
129774882116
1348c3410cac
1425985377c6
15145e569e99
hexb931d7622

49712821794 has 64 divisors (see below), whose sum is σ = 111350453760. Its totient is φ = 16439760000.

The previous prime is 49712821783. The next prime is 49712821843.

49712821794 is a `hidden beast` number, since 497 + 1 + 2 + 82 + 1 + 79 + 4 = 666.

49712821794 is nontrivially palindromic in base 10.

49712821794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 49712821794.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4206694 + ... + 4218494.

It is an arithmetic number, because the mean of its divisors is an integer number (1739850840).

Almost surely, 249712821794 is an apocalyptic number.

49712821794 is an abundant number, since it is smaller than the sum of its proper divisors (61637631966).

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

49712821794 is a wasteful number, since it uses less digits than its factorization.

49712821794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424 (or 12418 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The spelling of 49712821794 in words is "forty-nine billion, seven hundred twelve million, eight hundred twenty-one thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 181 362 431 543 862 1086 1293 1629 2586 3258 3879 4887 7758 9774 11637 11801 23274 23602 35403 70806 78011 106209 156022 212418 234033 318627 468066 637254 702099 1404198 2106297 2135981 4212594 4271962 5086231 6407943 10172462 12815886 15258693 19223829 30517386 38447658 45776079 57671487 91552158 115342974 137328237 274656474 920607811 1841215622 2761823433 5523646866 8285470299 16570940598 24856410897 49712821794