Search a number
-
+
39734985368 = 2313991385537
BaseRepresentation
bin100101000000011000…
…111100001010011000
310210120012101101202202
4211000120330022120
51122334124012433
630130510345332
72604445542251
oct450030741230
9123505341682
1039734985368
11159403aa691
12784b1bb248
1339931b3980
141ccd303b28
1510785d8ee8
hex94063c298

39734985368 has 32 divisors (see below), whose sum is σ = 80315276160. Its totient is φ = 18320670720.

The previous prime is 39734985349. The next prime is 39734985373. The reversal of 39734985368 is 86358943793.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89705 + ... + 295832.

It is an arithmetic number, because the mean of its divisors is an integer number (2509852380).

Almost surely, 239734985368 is an apocalyptic number.

It is an amenable number.

39734985368 is an abundant number, since it is smaller than the sum of its proper divisors (40580290792).

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

39734985368 is a wasteful number, since it uses less digits than its factorization.

39734985368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386547 (or 386543 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 65.

The spelling of 39734985368 in words is "thirty-nine billion, seven hundred thirty-four million, nine hundred eighty-five thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 991 1982 3964 7928 12883 25766 51532 103064 385537 771074 1542148 3084296 5011981 10023962 20047924 40095848 382067167 764134334 1528268668 3056537336 4966873171 9933746342 19867492684 39734985368