Base | Representation |
---|---|
bin | 111010100011000011… |
… | …0000111110001110111 |
3 | 110000112100021220001220 |
4 | 1311012012013301313 |
5 | 4024443343431211 |
6 | 133432023321423 |
7 | 12040464613602 |
oct | 1650606076167 |
9 | 400470256056 |
10 | 125730061431 |
11 | 4935a384087 |
12 | 2044a8b0273 |
13 | bb1937c270 |
14 | 612a369339 |
15 | 340d06b806 |
hex | 1d46187c77 |
125730061431 has 32 divisors (see below), whose sum is σ = 185324950272. Its totient is φ = 75331226880.
The previous prime is 125730061417. The next prime is 125730061433. The reversal of 125730061431 is 134160037521.
It is not a de Polignac number, because 125730061431 - 29 = 125730060919 is a prime.
It is a super-2 number, since 2×1257300614312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 125730061392 and 125730061401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125730061433) 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, 405136 + ... + 644666.
It is an arithmetic number, because the mean of its divisors is an integer number (5791404696).
Almost surely, 2125730061431 is an apocalyptic number.
125730061431 is a deficient number, since it is larger than the sum of its proper divisors (59594888841).
125730061431 is a wasteful number, since it uses less digits than its factorization.
125730061431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239903.
The product of its (nonzero) digits is 15120, while the sum is 33.
Adding to 125730061431 its reverse (134160037521), we get a palindrome (259890098952).
The spelling of 125730061431 in words is "one hundred twenty-five billion, seven hundred thirty million, sixty-one thousand, four hundred thirty-one".
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