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101055263809 = 617741214009
BaseRepresentation
bin101111000011101011…
…1001111010001000001
3100122211201022022001111
41132013113033101001
53123430121420214
6114231341003321
710205146366243
oct1360727172101
9318751268044
10101055263809
1139948075455
1217703253541
1396b6328bb6
144c69276093
152966bd55c4
hex17875cf441

101055263809 has 8 divisors (see below), whose sum is σ = 102725656040. Its totient is φ = 99385315200.

The previous prime is 101055263747. The next prime is 101055263849. The reversal of 101055263809 is 908362550101.

It can be written as a sum of positive squares in 4 ways, for example, as 9444924225 + 91610339584 = 97185^2 + 302672^2 .

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 101055263809 - 211 = 101055261761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101055263849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365197 + ... + 579205.

It is an arithmetic number, because the mean of its divisors is an integer number (12840707005).

Almost surely, 2101055263809 is an apocalyptic number.

It is an amenable number.

101055263809 is a deficient number, since it is larger than the sum of its proper divisors (1670392231).

101055263809 is an equidigital number, since it uses as much as digits as its factorization.

101055263809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221811.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 101055263809 in words is "one hundred one billion, fifty-five million, two hundred sixty-three thousand, eight hundred nine".

Divisors: 1 61 7741 214009 472201 13054549 1656643669 101055263809