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29904904730 = 257013426421
BaseRepresentation
bin11011110110011110…
…001010001000011010
32212012010100120012002
4123312132022020122
5442221123422410
621423233521002
72106033332111
oct336636121032
985163316162
1029904904730
11117565a25a8
125967113162
132a8777abcc
141639972c78
15ba05e27a5
hex6f678a21a

29904904730 has 16 divisors (see below), whose sum is σ = 53836630344. Its totient is φ = 11960228160.

The previous prime is 29904904723. The next prime is 29904904747. The reversal of 29904904730 is 3740940992.

It can be written as a sum of positive squares in 4 ways, for example, as 21213631201 + 8691273529 = 145649^2 + 93227^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143081 + ... + 283340.

Almost surely, 229904904730 is an apocalyptic number.

29904904730 is a deficient number, since it is larger than the sum of its proper divisors (23931725614).

29904904730 is a wasteful number, since it uses less digits than its factorization.

29904904730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433441.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 29904904730 in words is "twenty-nine billion, nine hundred four million, nine hundred four thousand, seven hundred thirty".

Divisors: 1 2 5 10 7013 14026 35065 70130 426421 852842 2132105 4264210 2990490473 5980980946 14952452365 29904904730