Search a number
-
+
12662550454 = 241154421347
BaseRepresentation
bin10111100101011111…
…10010111110110110
31012200110211012201011
423302233302332312
5201413103103304
65452254222434
7625534621501
oct136257627666
935613735634
1012662550454
115408752634
1225547b4a1a
13126a4c1208
14881a08138
154e19e6c04
hex2f2bf2fb6

12662550454 has 8 divisors (see below), whose sum is σ = 19457089848. Its totient is φ = 6176853840.

The previous prime is 12662550443. The next prime is 12662550463. The reversal of 12662550454 is 45405526621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×126625504542 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 77210592 + ... + 77210755.

It is an arithmetic number, because the mean of its divisors is an integer number (2432136231).

Almost surely, 212662550454 is an apocalyptic number.

12662550454 is a deficient number, since it is larger than the sum of its proper divisors (6794539394).

12662550454 is a wasteful number, since it uses less digits than its factorization.

12662550454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154421390.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 12662550454 in words is "twelve billion, six hundred sixty-two million, five hundred fifty thousand, four hundred fifty-four".

Divisors: 1 2 41 82 154421347 308842694 6331275227 12662550454