Search a number
-
+
12552118678 = 211251868259
BaseRepresentation
bin10111011000010101…
…00010000110010110
31012101210000200210101
423230022202012112
5201201320244203
65433311244314
7623024151121
oct135412420626
935353020711
1012552118678
115361386600
12252381969a
131250667478
1487109d3b8
154d6e8141d
hex2ec2a2196

12552118678 has 12 divisors (see below), whose sum is σ = 20695435740. Its totient is φ = 5705508380.

The previous prime is 12552118673. The next prime is 12552118697. The reversal of 12552118678 is 87681125521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552118673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25933888 + ... + 25934371.

It is an arithmetic number, because the mean of its divisors is an integer number (1724619645).

Almost surely, 212552118678 is an apocalyptic number.

12552118678 is a deficient number, since it is larger than the sum of its proper divisors (8143317062).

12552118678 is a wasteful number, since it uses less digits than its factorization.

12552118678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51868283 (or 51868272 counting only the distinct ones).

The product of its digits is 268800, while the sum is 46.

The spelling of 12552118678 in words is "twelve billion, five hundred fifty-two million, one hundred eighteen thousand, six hundred seventy-eight".

Divisors: 1 2 11 22 121 242 51868259 103736518 570550849 1141101698 6276059339 12552118678