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29479687970 = 252947968797
BaseRepresentation
bin11011011101001000…
…000101011100100010
32211002111020022110012
4123131020011130202
5440333300003340
621313124004522
72062351133105
oct333510053442
984074208405
1029479687970
1111558573997
125868830742
132a1a64a865
1415d92c673c
15b780ec565
hex6dd205722

29479687970 has 8 divisors (see below), whose sum is σ = 53063438364. Its totient is φ = 11791875184.

The previous prime is 29479687967. The next prime is 29479688023. The reversal of 29479687970 is 7978697492.

It can be written as a sum of positive squares in 2 ways, for example, as 23595110449 + 5884577521 = 153607^2 + 76711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 29479687970.

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, 1473984389 + ... + 1473984408.

Almost surely, 229479687970 is an apocalyptic number.

29479687970 is a deficient number, since it is larger than the sum of its proper divisors (23583750394).

29479687970 is a wasteful number, since it uses less digits than its factorization.

29479687970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947968804.

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 29479687970 in words is "twenty-nine billion, four hundred seventy-nine million, six hundred eighty-seven thousand, nine hundred seventy".

Divisors: 1 2 5 10 2947968797 5895937594 14739843985 29479687970