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29870086399 = 239263475207
BaseRepresentation
bin11011110100011001…
…010101100011111111
32212002200211121102021
4123310121111203333
5442133220231044
621415551341011
72105131354666
oct336431254377
985080747367
1029870086399
111173898101a
125957521767
132a804a9a4a
1416350abddd
15b9c515e84
hex6f46558ff

29870086399 has 8 divisors (see below), whose sum is σ = 30109178880. Its totient is φ = 29631945336.

The previous prime is 29870086387. The next prime is 29870086423. The reversal of 29870086399 is 99368007892.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 29870086399 - 27 = 29870086271 is a prime.

It is a super-2 number, since 2×298700863992 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29870081399) 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, 174747 + ... + 300460.

It is an arithmetic number, because the mean of its divisors is an integer number (3763647360).

Almost surely, 229870086399 is an apocalyptic number.

29870086399 is a deficient number, since it is larger than the sum of its proper divisors (239092481).

29870086399 is a wasteful number, since it uses less digits than its factorization.

29870086399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475709.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 29870086399 in words is "twenty-nine billion, eight hundred seventy million, eighty-six thousand, three hundred ninety-nine".

Divisors: 1 239 263 62857 475207 113574473 124979441 29870086399