Search a number
-
+
42668908011 = 324740989779
BaseRepresentation
bin100111101111010000…
…111101110111101011
311002010200002010000100
4213233100331313223
51144341220024021
631333554440443
73040242506502
oct475720756753
9132120063010
1042668908011
1117106539144
128329893123
13403cca0c82
1420cac29839
15119ae79626
hex9ef43ddeb

42668908011 has 6 divisors (see below), whose sum is σ = 61632867140. Its totient is φ = 28445938668.

The previous prime is 42668908003. The next prime is 42668908013. The reversal of 42668908011 is 11080986624.

42668908011 is a `hidden beast` number, since 426 + 68 + 90 + 80 + 1 + 1 = 666.

It is not a de Polignac number, because 42668908011 - 23 = 42668908003 is a prime.

It is a super-2 number, since 2×426689080112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42668908013) 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, 2370494881 + ... + 2370494898.

Almost surely, 242668908011 is an apocalyptic number.

42668908011 is a deficient number, since it is larger than the sum of its proper divisors (18963959129).

42668908011 is a wasteful number, since it uses less digits than its factorization.

42668908011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740989785 (or 4740989782 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 42668908011 in words is "forty-two billion, six hundred sixty-eight million, nine hundred eight thousand, eleven".

Divisors: 1 3 9 4740989779 14222969337 42668908011