Search a number
-
+
39120110021 = 198599239441
BaseRepresentation
bin100100011011101111…
…011000000111000101
310201222100101111100202
4210123233120013011
51120104222010041
625545503420245
72553301306616
oct443357300705
9121870344322
1039120110021
1115655311743
1276b92b4685
1338c59aa3c5
141c717a7c0d
15103e62da9b
hex91bbd81c5

39120110021 has 8 divisors (see below), whose sum is σ = 41184024000. Its totient is φ = 37056692160.

The previous prime is 39120109993. The next prime is 39120110069. The reversal of 39120110021 is 12001102193.

39120110021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 39120110021 - 210 = 39120108997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39120109975 and 39120110002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39120110321) 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, 43661 + ... + 283101.

It is an arithmetic number, because the mean of its divisors is an integer number (5148003000).

Almost surely, 239120110021 is an apocalyptic number.

It is an amenable number.

39120110021 is a deficient number, since it is larger than the sum of its proper divisors (2063913979).

39120110021 is a wasteful number, since it uses less digits than its factorization.

39120110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248059.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 39120110021 in words is "thirty-nine billion, one hundred twenty million, one hundred ten thousand, twenty-one".

Divisors: 1 19 8599 163381 239441 4549379 2058953159 39120110021