Base | Representation |
---|---|
bin | 1000100111010100110… |
… | …1000000000100111000 |
3 | 112011000001010200011002 |
4 | 2021311031000010320 |
5 | 4411043234334040 |
6 | 151553231224132 |
7 | 13456313463164 |
oct | 2116515000470 |
9 | 464001120132 |
10 | 147995230520 |
11 | 578454a4175 |
12 | 24823378048 |
13 | 10c57125227 |
14 | 723d413ca4 |
15 | 3cb2ac8a15 |
hex | 2275340138 |
147995230520 has 128 divisors (see below), whose sum is σ = 359833933440. Its totient is φ = 54644029440.
The previous prime is 147995230499. The next prime is 147995230627. The reversal of 147995230520 is 25032599741.
It is a congruent number.
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, 2949482 + ... + 2999238.
It is an arithmetic number, because the mean of its divisors is an integer number (2811202605).
Almost surely, 2147995230520 is an apocalyptic number.
147995230520 is a gapful number since it is divisible by the number (10) 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 147995230520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179916966720).
147995230520 is an abundant number, since it is smaller than the sum of its proper divisors (211838702920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147995230520 is a wasteful number, since it uses less digits than its factorization.
147995230520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49905 (or 49901 counting only the distinct ones).
The product of its (nonzero) digits is 680400, while the sum is 47.
The spelling of 147995230520 in words is "one hundred forty-seven billion, nine hundred ninety-five million, two hundred thirty thousand, five hundred twenty".
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