Search a number
-
+
38720750008613 = 1131855271846963
BaseRepresentation
bin10001100110111011000001…
…00011001011100100100101
312002002200000122101012201212
420303131200203023210211
520033400044000233423
6214204022245201205
711104324165402061
oct1063354043134445
9162080018335655
1038720750008613
1111379417a28532
124414410a00205
13187b47437663a
1497c146a8aaa1
15472337812578
hex2337608cb925

38720750008613 has 8 divisors (see below), whose sum is σ = 39063643217088. Its totient is φ = 38377860865344.

The previous prime is 38720750008607. The next prime is 38720750008631. The reversal of 38720750008613 is 31680005702783.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38720750008613 - 232 = 38716455041317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38720750008673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20041070 + ... + 21888032.

It is an arithmetic number, because the mean of its divisors is an integer number (4882955402136).

Almost surely, 238720750008613 is an apocalyptic number.

It is an amenable number.

38720750008613 is a deficient number, since it is larger than the sum of its proper divisors (342893208475).

38720750008613 is a wasteful number, since it uses less digits than its factorization.

38720750008613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032603.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 38720750008613 in words is "thirty-eight trillion, seven hundred twenty billion, seven hundred fifty million, eight thousand, six hundred thirteen".

Divisors: 1 113 185527 1846963 20964551 208706819 342661504501 38720750008613