Base | Representation |
---|---|
bin | 1000110011011100110… |
… | …1011010111000100111 |
3 | 112110101212210012102212 |
4 | 2030313031122320213 |
5 | 4434230012321411 |
6 | 153252222554035 |
7 | 13633055544440 |
oct | 2146715327047 |
9 | 473355705385 |
10 | 151250120231 |
11 | 59165827a71 |
12 | 2539143891b |
13 | 11355571982 |
14 | 746b80a2c7 |
15 | 3e0371a68b |
hex | 233735ae27 |
151250120231 has 4 divisors (see below), whose sum is σ = 172857280272. Its totient is φ = 129642960192.
The previous prime is 151250120213. The next prime is 151250120233. The reversal of 151250120231 is 132021052151.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132021052151 = 19 ⋅6948476429.
It is a cyclic number.
It is not a de Polignac number, because 151250120231 - 218 = 151249858087 is a prime.
It is a super-2 number, since 2×1512501202312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 151250120197 and 151250120206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (151250120233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10803580010 + ... + 10803580023.
It is an arithmetic number, because the mean of its divisors is an integer number (43214320068).
Almost surely, 2151250120231 is an apocalyptic number.
151250120231 is a deficient number, since it is larger than the sum of its proper divisors (21607160041).
151250120231 is an equidigital number, since it uses as much as digits as its factorization.
151250120231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21607160040.
The product of its (nonzero) digits is 600, while the sum is 23.
Adding to 151250120231 its reverse (132021052151), we get a palindrome (283271172382).
The spelling of 151250120231 in words is "one hundred fifty-one billion, two hundred fifty million, one hundred twenty thousand, two hundred thirty-one".
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