Search a number
-
+
39654690088 = 23131920068163
BaseRepresentation
bin100100111011100110…
…101000110100101000
310210100121021222100111
4210323212220310220
51122203100040323
630114521344104
72602452206236
oct447346506450
9123317258314
1039654690088
11158aa047652
127828338034
13397c67c080
141cc27a1956
151071527c0d
hex93b9a8d28

39654690088 has 32 divisors (see below), whose sum is σ = 84286288800. Its totient is φ = 17338891968.

The previous prime is 39654690079. The next prime is 39654690091. The reversal of 39654690088 is 88009645693.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10032106 + ... + 10036057.

It is an arithmetic number, because the mean of its divisors is an integer number (2633946525).

Almost surely, 239654690088 is an apocalyptic number.

39654690088 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

39654690088 is an abundant number, since it is smaller than the sum of its proper divisors (44631598712).

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

39654690088 is a wasteful number, since it uses less digits than its factorization.

39654690088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20068201 (or 20068197 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 39654690088 in words is "thirty-nine billion, six hundred fifty-four million, six hundred ninety thousand, eighty-eight".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 20068163 40136326 80272652 160545304 260886119 381295097 521772238 762590194 1043544476 1525180388 2087088952 3050360776 4956836261 9913672522 19827345044 39654690088