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230125131451 = 272813843527
BaseRepresentation
bin1101011001010010000…
…1101101011010111011
3210222222211000220221201
43112110201231122323
512232244013201301
6253415032115031
722424500225405
oct3262441553273
9728884026851
10230125131451
1189660701356
1238724535a77
13189155b6a47
14b1d0dbdb75
155ebd069201
hex359486d6bb

230125131451 has 4 divisors (see below), whose sum is σ = 230126247792. Its totient is φ = 230124015112.

The previous prime is 230125131421. The next prime is 230125131491. The reversal of 230125131451 is 154131521032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 230125131451 - 25 = 230125131419 is a prime.

It is a super-2 number, since 2×2301251314512 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230125131421) 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, 148951 + ... + 694576.

It is an arithmetic number, because the mean of its divisors is an integer number (57531561948).

Almost surely, 2230125131451 is an apocalyptic number.

230125131451 is a deficient number, since it is larger than the sum of its proper divisors (1116341).

230125131451 is an equidigital number, since it uses as much as digits as its factorization.

230125131451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116340.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 230125131451 its reverse (154131521032), we get a palindrome (384256652483).

The spelling of 230125131451 in words is "two hundred thirty billion, one hundred twenty-five million, one hundred thirty-one thousand, four hundred fifty-one".

Divisors: 1 272813 843527 230125131451