Base | Representation |
---|---|
bin | 101000100011000111… |
… | …0101110001001011000 |
3 | 22022202120212220210100 |
4 | 1101012032232021120 |
5 | 2411313332010242 |
6 | 104000343215400 |
7 | 6201602321205 |
oct | 1210616561130 |
9 | 268676786710 |
10 | 87077610072 |
11 | 33a2504a302 |
12 | 14a62147560 |
13 | 829954237b |
14 | 4300b38cac |
15 | 23e9a1854c |
hex | 14463ae258 |
87077610072 has 48 divisors (see below), whose sum is σ = 236103056280. Its totient is φ = 28992902400.
The previous prime is 87077610023. The next prime is 87077610073. The reversal of 87077610072 is 27001677078.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87077610073) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622954 + ... + 749817.
Almost surely, 287077610072 is an apocalyptic number.
It is an amenable number.
87077610072 is an abundant number, since it is smaller than the sum of its proper divisors (149025446208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87077610072 is a wasteful number, since it uses less digits than its factorization.
87077610072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1373664 (or 1373657 counting only the distinct ones).
The product of its (nonzero) digits is 230496, while the sum is 45.
The spelling of 87077610072 in words is "eighty-seven billion, seventy-seven million, six hundred ten thousand, seventy-two".
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