Base | Representation |
---|---|
bin | 10000100011001000001000… |
… | …100110010100111000000101 |
3 | 100112200221202201110021120020 |
4 | 100203020020212110320011 |
5 | 34014432341434001400 |
6 | 414443520433525353 |
7 | 21221242110635124 |
oct | 2043101046247005 |
9 | 315627681407506 |
10 | 72782660062725 |
11 | 21210a53190128 |
12 | 81b5925713859 |
13 | 317c4b5982412 |
14 | 13d89b178dabb |
15 | 86339d8412a0 |
hex | 423208994e05 |
72782660062725 has 48 divisors (see below), whose sum is σ = 120772497565440. Its totient is φ = 38675976710400.
The previous prime is 72782660062711. The next prime is 72782660062831. The reversal of 72782660062725 is 52726006628727.
It is not a de Polignac number, because 72782660062725 - 210 = 72782660061701 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1223804740 + ... + 1223864210.
It is an arithmetic number, because the mean of its divisors is an integer number (2516093699280).
Almost surely, 272782660062725 is an apocalyptic number.
72782660062725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
72782660062725 is a deficient number, since it is larger than the sum of its proper divisors (47989837502715).
72782660062725 is a wasteful number, since it uses less digits than its factorization.
72782660062725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118670 (or 118665 counting only the distinct ones).
The product of its (nonzero) digits is 47416320, while the sum is 60.
The spelling of 72782660062725 in words is "seventy-two trillion, seven hundred eighty-two billion, six hundred sixty million, sixty-two thousand, seven hundred twenty-five".
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