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51105401299 = 569857104803
BaseRepresentation
bin101111100110000111…
…101000100111010011
311212220121211101010201
4233212013220213103
51314130440320144
635251050040031
73456303513031
oct574607504723
9155817741121
1051105401299
111a745737447
129aa3119017
134a85a92034
14268b477551
1514e19461d4
hexbe61e89d3

51105401299 has 8 divisors (see below), whose sum is σ = 51255444240. Its totient is φ = 50955570816.

The previous prime is 51105401273. The next prime is 51105401329. The reversal of 51105401299 is 99210450115.

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 51105401299 - 213 = 51105393107 is a prime.

It is a super-2 number, since 2×511054012992 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51105401099) 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, 435232 + ... + 540034.

It is an arithmetic number, because the mean of its divisors is an integer number (6406930530).

Almost surely, 251105401299 is an apocalyptic number.

51105401299 is a deficient number, since it is larger than the sum of its proper divisors (150042941).

51105401299 is a wasteful number, since it uses less digits than its factorization.

51105401299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106229.

The product of its (nonzero) digits is 16200, while the sum is 37.

The spelling of 51105401299 in words is "fifty-one billion, one hundred five million, four hundred one thousand, two hundred ninety-nine".

Divisors: 1 569 857 104803 487633 59632907 89816171 51105401299