Base | Representation |
---|---|
bin | 101000110110001111… |
… | …0011111000110010000 |
3 | 22101102022021222021001 |
4 | 1101230132133012100 |
5 | 2414122113330234 |
6 | 104144144311344 |
7 | 6223523360125 |
oct | 1215436370620 |
9 | 271368258231 |
10 | 87719276944 |
11 | 34224277102 |
12 | 15001012554 |
13 | 836c469400 |
14 | 436204a74c |
15 | 2436016d14 |
hex | 146c79f190 |
87719276944 has 60 divisors (see below), whose sum is σ = 184295347200. Its totient is φ = 40428615552.
The previous prime is 87719276933. The next prime is 87719276987. The reversal of 87719276944 is 44967291778.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1921617 + ... + 1966735.
It is an arithmetic number, because the mean of its divisors is an integer number (3071589120).
Almost surely, 287719276944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87719276944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92147673600).
87719276944 is an abundant number, since it is smaller than the sum of its proper divisors (96576070256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87719276944 is a wasteful number, since it uses less digits than its factorization.
87719276944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45872 (or 45853 counting only the distinct ones).
The product of its digits is 42674688, while the sum is 64.
The spelling of 87719276944 in words is "eighty-seven billion, seven hundred nineteen million, two hundred seventy-six thousand, nine hundred forty-four".
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