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29746798897 = 212913972193
BaseRepresentation
bin11011101101000011…
…000010000100110001
32211210002211221202111
4123231003002010301
5441410140031042
621355425045321
72102103422134
oct335503020461
984702757674
1029746798897
1111685324322
125922186841
132a60aa166a
14162297821b
15b917b1517
hex6ed0c2131

29746798897 has 4 divisors (see below), whose sum is σ = 29760773220. Its totient is φ = 29732824576.

The previous prime is 29746798877. The next prime is 29746798927. The reversal of 29746798897 is 79889764792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14847178801 + 14899620096 = 121849^2 + 122064^2 .

It is a cyclic number.

It is not a de Polignac number, because 29746798897 - 27 = 29746798769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29746798847) 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, 6983968 + ... + 6988225.

It is an arithmetic number, because the mean of its divisors is an integer number (7440193305).

Almost surely, 229746798897 is an apocalyptic number.

It is an amenable number.

29746798897 is a deficient number, since it is larger than the sum of its proper divisors (13974323).

29746798897 is a wasteful number, since it uses less digits than its factorization.

29746798897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974322.

The product of its digits is 768144384, while the sum is 76.

The spelling of 29746798897 in words is "twenty-nine billion, seven hundred forty-six million, seven hundred ninety-eight thousand, eight hundred ninety-seven".

Divisors: 1 2129 13972193 29746798897