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118992939445 = 523798587889
BaseRepresentation
bin110111011010010001…
…0000010100110110101
3102101010211012122010101
41232310202002212311
53422144143030240
6130355315354101
711411520203542
oct1566442024665
9371124178111
10118992939445
1146512459676
121b08a5b2931
13b2b4677553
145a8b6bbbc9
15316687c39a
hex1bb48829b5

118992939445 has 4 divisors (see below), whose sum is σ = 142791527340. Its totient is φ = 95194351552.

The previous prime is 118992939437. The next prime is 118992939493. The reversal of 118992939445 is 544939299811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544939299811 = 3143291733659.

It can be written as a sum of positive squares in 2 ways, for example, as 42636881169 + 76356058276 = 206487^2 + 276326^2 .

It is a cyclic number.

It is not a de Polignac number, because 118992939445 - 23 = 118992939437 is a prime.

It is a super-2 number, since 2×1189929394452 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11899293940 + ... + 11899293949.

It is an arithmetic number, because the mean of its divisors is an integer number (35697881835).

Almost surely, 2118992939445 is an apocalyptic number.

It is an amenable number.

118992939445 is a deficient number, since it is larger than the sum of its proper divisors (23798587895).

118992939445 is an equidigital number, since it uses as much as digits as its factorization.

118992939445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23798587894.

The product of its digits is 25194240, while the sum is 64.

The spelling of 118992939445 in words is "one hundred eighteen billion, nine hundred ninety-two million, nine hundred thirty-nine thousand, four hundred forty-five".

Divisors: 1 5 23798587889 118992939445