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118156620372 = 223723194931379
BaseRepresentation
bin110111000001010101…
…1101111001001010100
3102021222112112020000220
41232002223233021110
53413441043322442
6130140322234340
711352013462530
oct1560253571124
9367875466026
10118156620372
114612337178a
121aa964b59b0
13b1b03193ab
145a0c5babc0
15311822deec
hex1b82aef254

118156620372 has 96 divisors (see below), whose sum is σ = 328962816000. Its totient is φ = 32273653632.

The previous prime is 118156620347. The next prime is 118156620377. The reversal of 118156620372 is 273026651811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118156620377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3749779 + ... + 3781157.

It is an arithmetic number, because the mean of its divisors is an integer number (3426696000).

Almost surely, 2118156620372 is an apocalyptic number.

118156620372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118156620372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164481408000).

118156620372 is an abundant number, since it is smaller than the sum of its proper divisors (210806195628).

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

118156620372 is a wasteful number, since it uses less digits than its factorization.

118156620372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33365 (or 33363 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 118156620372 in words is "one hundred eighteen billion, one hundred fifty-six million, six hundred twenty thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 1949 3898 5847 7796 11694 13643 23388 27286 31379 40929 44827 54572 62758 81858 89654 94137 125516 134481 163716 179308 188274 219653 268962 313789 376548 439306 537924 627578 658959 721717 878612 941367 1255156 1317918 1443434 1882734 2165151 2635836 2886868 3765468 4330302 5052019 8660604 10104038 15156057 20208076 30312114 60624228 61157671 122315342 183473013 244630684 366946026 428103697 733892052 856207394 1284311091 1406626433 1712414788 2568622182 2813252866 4219879299 5137244364 5626505732 8439758598 9846385031 16879517196 19692770062 29539155093 39385540124 59078310186 118156620372