Base | Representation |
---|---|
bin | 110101001011010111… |
… | …000101111110100000 |
3 | 12110101022200122220220 |
4 | 311023113011332200 |
5 | 1413414310413330 |
6 | 42121512003040 |
7 | 4060651545024 |
oct | 651327057640 |
9 | 173338618826 |
10 | 57098919840 |
11 | 22240940656 |
12 | b096390480 |
13 | 54cc6cb901 |
14 | 2a9947a384 |
15 | 1742bed710 |
hex | d4b5c5fa0 |
57098919840 has 192 divisors, whose sum is σ = 187506772992. Its totient is φ = 14588928000.
The previous prime is 57098919803. The next prime is 57098919893. The reversal of 57098919840 is 4891989075.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1483884 + ... + 1521876.
It is an arithmetic number, because the mean of its divisors is an integer number (976597776).
Almost surely, 257098919840 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 57098919840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93753386496).
57098919840 is an abundant number, since it is smaller than the sum of its proper divisors (130407853152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57098919840 is a wasteful number, since it uses less digits than its factorization.
57098919840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38143 (or 38135 counting only the distinct ones).
The product of its (nonzero) digits is 6531840, while the sum is 60.
The spelling of 57098919840 in words is "fifty-seven billion, ninety-eight million, nine hundred nineteen thousand, eight hundred forty".
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