Search a number
BaseRepresentation
bin110111010101101010…
…0010101010010110111
3102100202001022201200120
41232223110111102313
53421340104213111
6130332114143023
711404632213501
oct1565324252267
9370661281616
10118838351031
1146443173054
121b046881a73
13b28b63000a
153157ee3406
hex1bab5154b7

118838351031 has 8 divisors (see below), whose sum is σ = 159108609264. Its totient is φ = 78896830080.

The previous prime is 118838351011. The next prime is 118838351053. The reversal of 118838351031 is 130153838811.

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

It is not a de Polignac number, because 118838351031 - 226 = 118771242167 is a prime.

It is a super-2 number, since 2×1188383510312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118838351011) 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, 82183476 + ... + 82184921.

It is an arithmetic number, because the mean of its divisors is an integer number (19888576158).

Almost surely, 2118838351031 is an apocalyptic number.

118838351031 is a deficient number, since it is larger than the sum of its proper divisors (40270258233).

118838351031 is a wasteful number, since it uses less digits than its factorization.

118838351031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164368641.

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 118838351031 in words is "one hundred eighteen billion, eight hundred thirty-eight million, three hundred fifty-one thousand, thirty-one".