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63131348163 = 3131618752517
BaseRepresentation
bin111010110010111010…
…111110110011000011
320000221201202202220010
4322302322332303003
52013243111120123
645000243520003
74363311414432
oct726272766303
9200851682803
1063131348163
1124857000304
121029a689003
135c5140ca20
1430ac6cb119
1519975de993
hexeb2ebecc3

63131348163 has 8 divisors (see below), whose sum is σ = 90650141008. Its totient is φ = 38850060384.

The previous prime is 63131348149. The next prime is 63131348167. The reversal of 63131348163 is 36184313136.

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

It is not a de Polignac number, because 63131348163 - 26 = 63131348099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1618752517 = 63131348163 / (6 + 3 + 1 + 3 + 1 + 3 + 4 + 8 + 1 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63131348167) 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, 809376220 + ... + 809376297.

It is an arithmetic number, because the mean of its divisors is an integer number (11331267626).

Almost surely, 263131348163 is an apocalyptic number.

63131348163 is a deficient number, since it is larger than the sum of its proper divisors (27518792845).

63131348163 is a wasteful number, since it uses less digits than its factorization.

63131348163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618752533.

The product of its digits is 93312, while the sum is 39.

The spelling of 63131348163 in words is "sixty-three billion, one hundred thirty-one million, three hundred forty-eight thousand, one hundred sixty-three".

Divisors: 1 3 13 39 1618752517 4856257551 21043782721 63131348163