Base | Representation |
---|---|
bin | 1010000000110111100… |
… | …1110011111100010000 |
3 | 121110001012110120100020 |
4 | 2200031321303330100 |
5 | 10304310134404413 |
6 | 211010321423440 |
7 | 15300053311260 |
oct | 2401571637420 |
9 | 543035416306 |
10 | 172031950608 |
11 | 66a5a6077a1 |
12 | 2941119ab80 |
13 | 132b7c0a21b |
14 | 847d88b7a0 |
15 | 471ce1ec23 |
hex | 280de73f10 |
172031950608 has 80 divisors (see below), whose sum is σ = 513140073600. Its totient is φ = 48645255168.
The previous prime is 172031950589. The next prime is 172031950613. The reversal of 172031950608 is 806059130271.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a self number, because there is not a number n which added to its sum of digits gives 172031950608.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2606583 + ... + 2671766.
It is an arithmetic number, because the mean of its divisors is an integer number (6414250920).
Almost surely, 2172031950608 is an apocalyptic number.
It is an amenable number.
172031950608 is an abundant number, since it is smaller than the sum of its proper divisors (341108122992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172031950608 is a wasteful number, since it uses less digits than its factorization.
172031950608 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5278464 (or 5278458 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 42.
The spelling of 172031950608 in words is "one hundred seventy-two billion, thirty-one million, nine hundred fifty thousand, six hundred eight".
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