Base | Representation |
---|---|
bin | 1000111100010000011… |
… | …00100000000000000000 |
3 | 1002101000020001000010012 |
4 | 10132020030200000000 |
5 | 20013200234444232 |
6 | 353045522524052 |
7 | 31124246663312 |
oct | 4361014400000 |
9 | 1071006030105 |
10 | 307227656192 |
11 | 109327003386 |
12 | 4b661b06628 |
13 | 22c82353052 |
14 | 10c26ddd7b2 |
15 | 7ed1e969b2 |
hex | 4788320000 |
307227656192 has 54 divisors (see below), whose sum is σ = 614854571499. Its totient is φ = 153513492480.
The previous prime is 307227656107. The next prime is 307227656233. The reversal of 307227656192 is 291656722703.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 153613828096 + 153613828096 = 391936^2 + 391936^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=391936.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 307227656192.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 200670467 + ... + 200671997.
Almost surely, 2307227656192 is an apocalyptic number.
307227656192 is a gapful number since it is divisible by the number (32) 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 307227656192
307227656192 is an abundant number, since it is smaller than the sum of its proper divisors (307626915307).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307227656192 is an frugal number, since it uses more digits than its factorization.
307227656192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3096 (or 1533 counting only the distinct ones).
The product of its (nonzero) digits is 1905120, while the sum is 50.
Multiplying 307227656192 by its sum of digits (50), we get a square (15361382809600 = 39193602).
The spelling of 307227656192 in words is "three hundred seven billion, two hundred twenty-seven million, six hundred fifty-six thousand, one hundred ninety-two".
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