Base | Representation |
---|---|
bin | 1000111101110100000… |
… | …1011100101111100010 |
3 | 112201120202101100000210 |
4 | 2033131001130233202 |
5 | 10010424142444340 |
6 | 154432240154550 |
7 | 14062025253132 |
oct | 2173501345742 |
9 | 481522340023 |
10 | 154031999970 |
11 | 5a363059432 |
12 | 25a29008a56 |
13 | 116a99c6264 |
14 | 7653074ac2 |
15 | 4017a76180 |
hex | 23dd05cbe2 |
154031999970 has 32 divisors (see below), whose sum is σ = 372125001600. Its totient is φ = 40803177600.
The previous prime is 154031999963. The next prime is 154031999987. The reversal of 154031999970 is 79999130451.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 154031999970.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16996795 + ... + 17005854.
It is an arithmetic number, because the mean of its divisors is an integer number (11628906300).
Almost surely, 2154031999970 is an apocalyptic number.
154031999970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
154031999970 is an abundant number, since it is smaller than the sum of its proper divisors (218093001630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154031999970 is a wasteful number, since it uses less digits than its factorization.
154031999970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34002810.
The product of its (nonzero) digits is 2755620, while the sum is 57.
The spelling of 154031999970 in words is "one hundred fifty-four billion, thirty-one million, nine hundred ninety-nine thousand, nine hundred seventy".
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