Search a number
-
+
29677799906 = 230778761417
BaseRepresentation
bin11011101000111011…
…110100100111100010
32211121022000102221022
4123220323310213202
5441240004044111
621344522125442
72100305064656
oct335073644742
984538012838
1029677799906
111164a387367
125903050882
132a4c6c3661
141617736a66
15b8a6d22db
hex6e8ef49e2

29677799906 has 16 divisors (see below), whose sum is σ = 44719182816. Its totient is φ = 14771530656.

The previous prime is 29677799891. The next prime is 29677799909. The reversal of 29677799906 is 60999777692.

It is a self number, because there is not a number n which added to its sum of digits gives 29677799906.

It is not an unprimeable number, because it can be changed into a prime (29677799909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452510 + ... + 513926.

It is an arithmetic number, because the mean of its divisors is an integer number (2794948926).

Almost surely, 229677799906 is an apocalyptic number.

29677799906 is a deficient number, since it is larger than the sum of its proper divisors (15041382910).

29677799906 is a wasteful number, since it uses less digits than its factorization.

29677799906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62513.

The product of its (nonzero) digits is 162030456, while the sum is 71.

The spelling of 29677799906 in words is "twenty-nine billion, six hundred seventy-seven million, seven hundred ninety-nine thousand, nine hundred six".

Divisors: 1 2 307 614 787 1574 61417 122834 241609 483218 18855019 37710038 48335179 96670358 14838899953 29677799906