Search a number
-
+
231456460454 = 23120177185021
BaseRepresentation
bin1101011110001111100…
…0010100111010100110
3211010102121011110000022
43113203320110322212
512243010323213304
6254155111115142
722502464311152
oct3274370247246
9733377143008
10231456460454
118a18415755a
1238a36372ab2
1318a9837089b
14b2b9b38062
156049d96ebe
hex35e3e14ea6

231456460454 has 16 divisors (see below), whose sum is σ = 358403895936. Its totient is φ = 111988905600.

The previous prime is 231456460451. The next prime is 231456460483. The reversal of 231456460454 is 454064654132.

It is a super-2 number, since 2×2314564604542 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231456460451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158464 + ... + 1343484.

It is an arithmetic number, because the mean of its divisors is an integer number (22400243496).

Almost surely, 2231456460454 is an apocalyptic number.

231456460454 is a deficient number, since it is larger than the sum of its proper divisors (126947435482).

231456460454 is a wasteful number, since it uses less digits than its factorization.

231456460454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205231.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 231456460454 in words is "two hundred thirty-one billion, four hundred fifty-six million, four hundred sixty thousand, four hundred fifty-four".

Divisors: 1 2 31 62 20177 40354 185021 370042 625487 1250974 5735651 11471302 3733168717 7466337434 115728230227 231456460454