Search a number
-
+
29289510992 = 247261513491
BaseRepresentation
bin11011010001110010…
…100111100001010000
32210121020101022200102
4123101302213201100
5434441103322432
621242211511532
72054551510220
oct332162474120
983536338612
1029289510992
1111470190135
125814bb85a8
1329ba1226c1
1415bbd40080
15b66583962
hex6d1ca7850

29289510992 has 20 divisors (see below), whose sum is σ = 64855346016. Its totient is φ = 12552647520.

The previous prime is 29289510989. The next prime is 29289511003. The reversal of 29289510992 is 29901598292.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130756634 + ... + 130756857.

Almost surely, 229289510992 is an apocalyptic number.

It is an amenable number.

29289510992 is an abundant number, since it is smaller than the sum of its proper divisors (35565835024).

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

29289510992 is a wasteful number, since it uses less digits than its factorization.

29289510992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261513506 (or 261513500 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 56.

The spelling of 29289510992 in words is "twenty-nine billion, two hundred eighty-nine million, five hundred ten thousand, nine hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 261513491 523026982 1046053964 1830594437 2092107928 3661188874 4184215856 7322377748 14644755496 29289510992