Base | Representation |
---|---|
bin | 1000111101110011111… |
… | …1101010011001010000 |
3 | 112201120201111112112202 |
4 | 2033130333222121100 |
5 | 10010424033002400 |
6 | 154432222142332 |
7 | 14062021262462 |
oct | 2173477523120 |
9 | 481521445482 |
10 | 154031531600 |
11 | 5a362869551 |
12 | 25a28a219a8 |
13 | 116a989100b |
14 | 7652d92132 |
15 | 40179d24d5 |
hex | 23dcfea650 |
154031531600 has 30 divisors (see below), whose sum is σ = 370060755630. Its totient is φ = 61612612480.
The previous prime is 154031531557. The next prime is 154031531609. The reversal of 154031531600 is 6135130451.
It can be written as a sum of positive squares in 3 ways, for example, as 27457815616 + 126573715984 = 165704^2 + 355772^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154031531609) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192539015 + ... + 192539814.
It is an arithmetic number, because the mean of its divisors is an integer number (12335358521).
Almost surely, 2154031531600 is an apocalyptic number.
154031531600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
154031531600 is an abundant number, since it is smaller than the sum of its proper divisors (216029224030).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154031531600 is a wasteful number, since it uses less digits than its factorization.
154031531600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385078847 (or 385078836 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 29.
The spelling of 154031531600 in words is "one hundred fifty-four billion, thirty-one million, five hundred thirty-one thousand, six hundred".
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