Search a number
-
+
12052015454 = 253971172147
BaseRepresentation
bin10110011100101101…
…10010100101011110
31011002220222211010202
423032112302211132
5144140303443304
65311524303502
7604442304203
oct131626624536
934086884122
1012052015454
115125059656
122404241b92
1311a0b773bb
148248bbcaa
154a80e781e
hex2ce5b295e

12052015454 has 16 divisors (see below), whose sum is σ = 18609021648. Its totient is φ = 5851352832.

The previous prime is 12052015429. The next prime is 12052015499. The reversal of 12052015454 is 45451025021.

It is a super-2 number, since 2×120520154542 (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575792 + ... + 596355.

It is an arithmetic number, because the mean of its divisors is an integer number (1163063853).

Almost surely, 212052015454 is an apocalyptic number.

12052015454 is a deficient number, since it is larger than the sum of its proper divisors (6557006194).

12052015454 is a wasteful number, since it uses less digits than its factorization.

12052015454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172299.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 12052015454 in words is "twelve billion, fifty-two million, fifteen thousand, four hundred fifty-four".

Divisors: 1 2 53 97 106 194 5141 10282 1172147 2344294 62123791 113698259 124247582 227396518 6026007727 12052015454