Base | Representation |
---|---|
bin | 10010000001011… |
… | …11101000001111 |
3 | 101112111020201210 |
4 | 21000233220033 |
5 | 302201040111 |
6 | 23000305503 |
7 | 3514044156 |
oct | 1100575017 |
9 | 345436653 |
10 | 151190031 |
11 | 78385343 |
12 | 42772293 |
13 | 25427775 |
14 | 1611859d |
15 | d4170a6 |
hex | 902fa0f |
151190031 has 8 divisors (see below), whose sum is σ = 203583024. Its totient is φ = 99795200.
The previous prime is 151189999. The next prime is 151190033. The reversal of 151190031 is 130091151.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 151190031 - 25 = 151189999 is a prime.
It is a super-2 number, since 2×1511900312 = 45716850947561922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151190033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249186 + ... + 249791.
It is an arithmetic number, because the mean of its divisors is an integer number (25447878).
Almost surely, 2151190031 is an apocalyptic number.
151190031 is a deficient number, since it is larger than the sum of its proper divisors (52392993).
151190031 is a wasteful number, since it uses less digits than its factorization.
151190031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499081.
The product of its (nonzero) digits is 135, while the sum is 21.
The square root of 151190031 is about 12295.9355479768. The cubic root of 151190031 is about 532.7306924351.
The spelling of 151190031 in words is "one hundred fifty-one million, one hundred ninety thousand, thirty-one".
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