Base | Representation |
---|---|
bin | 10010000000111… |
… | …01011111111010 |
3 | 101112100110212101 |
4 | 21000131133322 |
5 | 302141201040 |
6 | 22554534014 |
7 | 3513314521 |
oct | 1100353772 |
9 | 345313771 |
10 | 151115770 |
11 | 78334573 |
12 | 4273730a |
13 | 253cca20 |
14 | 160d94b8 |
15 | d40009a |
hex | 901d7fa |
151115770 has 64 divisors (see below), whose sum is σ = 305091360. Its totient is φ = 53526528.
The previous prime is 151115749. The next prime is 151115777. The reversal of 151115770 is 77511151.
It can be written as a sum of positive squares in 16 ways, for example, as 2982529 + 148133241 = 1727^2 + 12171^2 .
It is not an unprimeable number, because it can be changed into a prime (151115777) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427914 + ... + 428266.
Almost surely, 2151115770 is an apocalyptic number.
151115770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
151115770 is an abundant number, since it is smaller than the sum of its proper divisors (153975590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151115770 is a wasteful number, since it uses less digits than its factorization.
151115770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499.
The product of its (nonzero) digits is 1225, while the sum is 28.
The square root of 151115770 is about 12292.9154393903. The cubic root of 151115770 is about 532.6434565403.
It can be divided in two parts, 151 and 115770, that added together give a triangular number (115921 = T481).
The spelling of 151115770 in words is "one hundred fifty-one million, one hundred fifteen thousand, seven hundred seventy".
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