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118536679663990 = 257241431231111467
BaseRepresentation
bin11010111100111011111000…
…101011110010100101110110
3120112200222220000101212222121
4122330323320223302211312
5111014101104443221430
61100034555431350154
733652664265435400
oct3274737053624566
9515628800355877
10118536679663990
113485113a475315
121136525222235a
13511ac65213273
14213b2c501db70
15da8627524a7a
hex6bcef8af2976

118536679663990 has 192 divisors, whose sum is σ = 260381571867648. Its totient is φ = 38696001523200.

The previous prime is 118536679663933. The next prime is 118536679663993. The reversal of 118536679663990 is 99366976635811.

It is a self number, because there is not a number n which added to its sum of digits gives 118536679663990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118536679663993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1063368237 + ... + 1063479703.

It is an arithmetic number, because the mean of its divisors is an integer number (1356154020144).

Almost surely, 2118536679663990 is an apocalyptic number.

118536679663990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118536679663990 is an abundant number, since it is smaller than the sum of its proper divisors (141844892203658).

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

118536679663990 is a wasteful number, since it uses less digits than its factorization.

118536679663990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112803 (or 112796 counting only the distinct ones).

The product of its (nonzero) digits is 2380855680, while the sum is 79.

The spelling of 118536679663990 in words is "one hundred eighteen trillion, five hundred thirty-six billion, six hundred seventy-nine million, six hundred sixty-three thousand, nine hundred ninety".