Base | Representation |
---|---|
bin | 1000110101100001100… |
… | …0111111000000000000 |
3 | 112111211200021110100100 |
4 | 2031120120333000000 |
5 | 4441400020043442 |
6 | 153423350322400 |
7 | 13652625336240 |
oct | 2153030770000 |
9 | 474750243310 |
10 | 151806799872 |
11 | 59420a87692 |
12 | 25507959400 |
13 | 114139b0600 |
14 | 74c1717b20 |
15 | 3e3752c84c |
hex | 235863f000 |
151806799872 has 702 divisors, whose sum is σ = 552010427592. Its totient is φ = 39358365696.
The previous prime is 151806799853. The next prime is 151806799877. The reversal of 151806799872 is 278997608151.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151806799877) by changing a digit.
It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2572996579 + ... + 2572996637.
Almost surely, 2151806799872 is an apocalyptic number.
151806799872 is a gapful number since it is divisible by the number (12) 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 151806799872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276005213796).
151806799872 is an abundant number, since it is smaller than the sum of its proper divisors (400203627720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151806799872 is an equidigital number, since it uses as much as digits as its factorization.
151806799872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181 (or 84 counting only the distinct ones).
The product of its (nonzero) digits is 15240960, while the sum is 63.
Multiplying 151806799872 by its sum of digits (63), we get a square (9563828391936 = 30925442).
151806799872 divided by its sum of digits (63) gives a square (2409631744 = 490882).
The spelling of 151806799872 in words is "one hundred fifty-one billion, eight hundred six million, seven hundred ninety-nine thousand, eight hundred seventy-two".
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