Base | Representation |
---|---|
bin | 10010000110001… |
… | …00010101110101 |
3 | 101120122012022000 |
4 | 21003010111311 |
5 | 302330033112 |
6 | 23021325513 |
7 | 3522162066 |
oct | 1103042565 |
9 | 346565260 |
10 | 151799157 |
11 | 78760a54 |
12 | 42a06899 |
13 | 255abab3 |
14 | 1623656d |
15 | d4d77dc |
hex | 90c4575 |
151799157 has 16 divisors (see below), whose sum is σ = 232143360. Its totient is φ = 97934400.
The previous prime is 151799147. The next prime is 151799161. The reversal of 151799157 is 751997151.
It is a happy number.
It is not a de Polignac number, because 151799157 - 26 = 151799093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151799117) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89844 + ... + 91517.
It is an arithmetic number, because the mean of its divisors is an integer number (14508960).
Almost surely, 2151799157 is an apocalyptic number.
It is an amenable number.
151799157 is a deficient number, since it is larger than the sum of its proper divisors (80344203).
151799157 is a wasteful number, since it uses less digits than its factorization.
151799157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181401 (or 181395 counting only the distinct ones).
The product of its digits is 99225, while the sum is 45.
The square root of 151799157 is about 12320.6800542827. The cubic root of 151799157 is about 533.4451692122.
It can be divided in two parts, 15179 and 9157, that added together give a square (24336 = 1562).
The spelling of 151799157 in words is "one hundred fifty-one million, seven hundred ninety-nine thousand, one hundred fifty-seven".
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