Base | Representation |
---|---|
bin | 10010000101001… |
… | …00110101110011 |
3 | 101120101122022021 |
4 | 21002210311303 |
5 | 302311421011 |
6 | 23014452311 |
7 | 3521113654 |
oct | 1102446563 |
9 | 346348267 |
10 | 151670131 |
11 | 78683018 |
12 | 42964097 |
13 | 25565152 |
14 | 1620152b |
15 | d4ae471 |
hex | 90a4d73 |
151670131 has 4 divisors (see below), whose sum is σ = 152864512. Its totient is φ = 150475752.
The previous prime is 151670089. The next prime is 151670137. The reversal of 151670131 is 131076151.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-151670131 is a prime.
It is a super-2 number, since 2×1516701312 = 46007657275114322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 151670096 and 151670105.
It is not an unprimeable number, because it can be changed into a prime (151670137) 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 3 ways as a sum of consecutive naturals, for example, 597000 + ... + 597253.
It is an arithmetic number, because the mean of its divisors is an integer number (38216128).
Almost surely, 2151670131 is an apocalyptic number.
151670131 is a deficient number, since it is larger than the sum of its proper divisors (1194381).
151670131 is a wasteful number, since it uses less digits than its factorization.
151670131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1194380.
The product of its (nonzero) digits is 630, while the sum is 25.
The square root of 151670131 is about 12315.4427853813. The cubic root of 151670131 is about 533.2939874186.
The spelling of 151670131 in words is "one hundred fifty-one million, six hundred seventy thousand, one hundred thirty-one".
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