Base | Representation |
---|---|
bin | 10011111100110000100100… |
… | …101100110110110100111010 |
3 | 102111122200122112202200212102 |
4 | 103330300210230312310322 |
5 | 43000000322130130440 |
6 | 510334213130143402 |
7 | 24323606402020040 |
oct | 2374604454666472 |
9 | 374580575680772 |
10 | 87738207661370 |
11 | 25a57623992622 |
12 | 9a10304281b62 |
13 | 39c58a6570216 |
14 | 17947a261c390 |
15 | a22413683b15 |
hex | 4fcc24b36d3a |
87738207661370 has 64 divisors (see below), whose sum is σ = 196118196019200. Its totient is φ = 27579121289280.
The previous prime is 87738207661333. The next prime is 87738207661411. The reversal of 87738207661370 is 7316670283778.
It is a junction number, because it is equal to n+sod(n) for n = 87738207661297 and 87738207661306.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1063968080 + ... + 1064050539.
It is an arithmetic number, because the mean of its divisors is an integer number (3064346812800).
Almost surely, 287738207661370 is an apocalyptic number.
87738207661370 is an abundant number, since it is smaller than the sum of its proper divisors (108379988357830).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87738207661370 is a wasteful number, since it uses less digits than its factorization.
87738207661370 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2128018683.
The product of its (nonzero) digits is 99574272, while the sum is 65.
The spelling of 87738207661370 in words is "eighty-seven trillion, seven hundred thirty-eight billion, two hundred seven million, six hundred sixty-one thousand, three hundred seventy".
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