Base | Representation |
---|---|
bin | 11111101101010101101111… |
… | …110001011111011000000100 |
3 | 200021202210011110102111000000 |
4 | 133231111233301133120010 |
5 | 121234313141101101442 |
6 | 1212332453034321300 |
7 | 41242206034644240 |
oct | 3755255761373004 |
9 | 607683143374000 |
10 | 139455168378372 |
11 | 40486671a62990 |
12 | 13783419889230 |
13 | 5ca7748516982 |
14 | 2661947d49420 |
15 | 111c837b29d4c |
hex | 7ed56fc5f604 |
139455168378372 has 672 divisors, whose sum is σ = 477580393027584. Its totient is φ = 34533996710400.
The previous prime is 139455168378347. The next prime is 139455168378433. The reversal of 139455168378372 is 273873861554931.
139455168378372 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 5 + 516 + 8 + 3 + 78 + 37 + 2 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 139455168378372.
It is an unprimeable number.
It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 1585376472 + ... + 1585464432.
It is an arithmetic number, because the mean of its divisors is an integer number (710685108672).
Almost surely, 2139455168378372 is an apocalyptic number.
139455168378372 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 139455168378372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238790196513792).
139455168378372 is an abundant number, since it is smaller than the sum of its proper divisors (338125224649212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139455168378372 is a wasteful number, since it uses less digits than its factorization.
139455168378372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88331 (or 88314 counting only the distinct ones).
The product of its digits is 914457600, while the sum is 72.
The spelling of 139455168378372 in words is "one hundred thirty-nine trillion, four hundred fifty-five billion, one hundred sixty-eight million, three hundred seventy-eight thousand, three hundred seventy-two".
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