Base | Representation |
---|---|
bin | 1101110000011110010100… |
… | …10000010110000001000000 |
3 | 10222010010212222201100121000 |
4 | 12320033022100112001000 |
5 | 12431130313033312330 |
6 | 144201544432132000 |
7 | 6241460526444000 |
oct | 670171220260100 |
9 | 128103788640530 |
10 | 30252847947840 |
11 | 9704184a81701 |
12 | 3487255697000 |
13 | 13b5aa654567b |
14 | 768362104000 |
15 | 376e2cb4e560 |
hex | 1b83ca416040 |
30252847947840 has 896 divisors, whose sum is σ = 125012086272000. Its totient is φ = 6884321310720.
The previous prime is 30252847947827. The next prime is 30252847947887. The reversal of 30252847947840 is 4874974825203.
It is a happy number.
30252847947840 is a `hidden beast` number, since 3 + 0 + 2 + 52 + 8 + 4 + 79 + 478 + 40 = 666.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 672696555 + ... + 672741525.
Almost surely, 230252847947840 is an apocalyptic number.
30252847947840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30252847947840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62506043136000).
30252847947840 is an abundant number, since it is smaller than the sum of its proper divisors (94759238324160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30252847947840 is a wasteful number, since it uses less digits than its factorization.
30252847947840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45245 (or 45215 counting only the distinct ones).
The product of its (nonzero) digits is 108380160, while the sum is 63.
The spelling of 30252847947840 in words is "thirty trillion, two hundred fifty-two billion, eight hundred forty-seven million, nine hundred forty-seven thousand, eight hundred forty".
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