Search a number
-
+
1150640868 = 2231320833541
BaseRepresentation
bin100010010010101…
…0110001011100100
32222012010121112110
41010211112023210
54324031001433
6310102121020
740341200046
oct10445261344
92865117473
101150640868
11540563573
12281420170
131545019b0
14acb61a96
156b03a963
hex449562e4

1150640868 has 48 divisors (see below), whose sum is σ = 2893558976. Its totient is φ = 353773440.

The previous prime is 1150640807. The next prime is 1150640873. The reversal of 1150640868 is 8680460511.

It is a super-2 number, since 2×11506408682 = 2647948814223586848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323178 + ... + 326718.

Almost surely, 21150640868 is an apocalyptic number.

It is an amenable number.

1150640868 is an abundant number, since it is smaller than the sum of its proper divisors (1742918108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1150640868 is a wasteful number, since it uses less digits than its factorization.

1150640868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644 (or 5642 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 1150640868 is about 33921.0976827107. The cubic root of 1150640868 is about 1047.8841346276.

The spelling of 1150640868 in words is "one billion, one hundred fifty million, six hundred forty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2083 3541 4166 6249 7082 8332 10623 12498 14164 21246 24996 27079 42492 46033 54158 81237 92066 108316 138099 162474 184132 276198 324948 552396 7375903 14751806 22127709 29503612 44255418 88510836 95886739 191773478 287660217 383546956 575320434 1150640868