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125332032431 = 281944459749
BaseRepresentation
bin111010010111001011…
…1110000101110101111
3102222111121022220221002
41310232113300232233
54023140000014211
6133324324230515
712024562461314
oct1645627605657
9388447286832
10125332032431
1149175734aa1
122035953b43b
13ba84a7ab48
1460cd558d0b
1533d814703b
hex1d2e5f0baf

125332032431 has 4 divisors (see below), whose sum is σ = 125376495000. Its totient is φ = 125287569864.

The previous prime is 125332032391. The next prime is 125332032433. The reversal of 125332032431 is 134230233521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125332032431 - 234 = 108152163247 is a prime.

It is a super-2 number, since 2×1253320324312 (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 = 125332032394 and 125332032403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125332032433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22227056 + ... + 22232693.

It is an arithmetic number, because the mean of its divisors is an integer number (31344123750).

Almost surely, 2125332032431 is an apocalyptic number.

125332032431 is a deficient number, since it is larger than the sum of its proper divisors (44462569).

125332032431 is an equidigital number, since it uses as much as digits as its factorization.

125332032431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44462568.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 125332032431 its reverse (134230233521), we get a palindrome (259562265952).

The spelling of 125332032431 in words is "one hundred twenty-five billion, three hundred thirty-two million, thirty-two thousand, four hundred thirty-one".

Divisors: 1 2819 44459749 125332032431