Search a number
-
+
76630388616 = 23321139418681
BaseRepresentation
bin100011101011110000…
…1101110111110001000
321022210111121002011100
41013113201232332020
52223414334413431
655111543101400
75351654361465
oct1072741567610
9238714532140
1076630388616
112a553947191
1212a27441860
1372c2cbbb22
1439cd43c66c
151ed776a4e6
hex11d786ef88

76630388616 has 48 divisors (see below), whose sum is σ = 209377300860. Its totient is φ = 25317411840.

The previous prime is 76630388609. The next prime is 76630388689. The reversal of 76630388616 is 61688303667.

It can be written as a sum of positive squares in 2 ways, for example, as 63380076516 + 13250312100 = 251754^2 + 115110^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4701205 + ... + 4717476.

Almost surely, 276630388616 is an apocalyptic number.

It is an amenable number.

76630388616 is an abundant number, since it is smaller than the sum of its proper divisors (132746912244).

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

76630388616 is a wasteful number, since it uses less digits than its factorization.

76630388616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418806 (or 9418799 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 76630388616 in words is "seventy-six billion, six hundred thirty million, three hundred eighty-eight thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 113 226 339 452 678 904 1017 1356 2034 2712 4068 8136 9418681 18837362 28256043 37674724 56512086 75349448 84768129 113024172 169536258 226048344 339072516 678145032 1064310953 2128621906 3192932859 4257243812 6385865718 8514487624 9578798577 12771731436 19157597154 25543462872 38315194308 76630388616