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29747169748 = 2273101873869
BaseRepresentation
bin11011101101000100…
…011100100111010100
32211210010112210110201
4123231010130213110
5441410233412443
621355441030244
72102106525262
oct335504344724
984703483421
1029747169748
1111685557a0a
125922325384
132a60ba13ba
141622a33432
15b9183634d
hex6ed11c9d4

29747169748 has 12 divisors (see below), whose sum is σ = 52770664660. Its totient is φ = 14669836992.

The previous prime is 29747169743. The next prime is 29747169763. The reversal of 29747169748 is 84796174792.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14189097924 + 15558071824 = 119118^2 + 124732^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29747169748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29747169743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50936643 + ... + 50937226.

Almost surely, 229747169748 is an apocalyptic number.

It is an amenable number.

29747169748 is a deficient number, since it is larger than the sum of its proper divisors (23023494912).

29747169748 is a wasteful number, since it uses less digits than its factorization.

29747169748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101873946 (or 101873944 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 64.

The spelling of 29747169748 in words is "twenty-nine billion, seven hundred forty-seven million, one hundred sixty-nine thousand, seven hundred forty-eight".

Divisors: 1 2 4 73 146 292 101873869 203747738 407495476 7436792437 14873584874 29747169748