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51029083843 = 199922727791
BaseRepresentation
bin101111100001100100…
…100000011011000011
311212201022020001021021
4233201210200123003
51314001421140333
635235322210311
73454356025123
oct574144403303
9155638201237
1051029083843
111a706650a71
129a81653997
134a73020b8a
14268128cc83
1514d9dbd82d
hexbe19206c3

51029083843 has 8 divisors (see below), whose sum is σ = 51292915200. Its totient is φ = 50765326920.

The previous prime is 51029083823. The next prime is 51029083879. The reversal of 51029083843 is 34838092015.

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 51029083843 - 25 = 51029083811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51029083843.

It is not an unprimeable number, because it can be changed into a prime (51029083823) 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, 1822278 + ... + 1850068.

It is an arithmetic number, because the mean of its divisors is an integer number (6411614400).

Almost surely, 251029083843 is an apocalyptic number.

51029083843 is a deficient number, since it is larger than the sum of its proper divisors (263831357).

51029083843 is a wasteful number, since it uses less digits than its factorization.

51029083843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37217.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 51029083843 in words is "fifty-one billion, twenty-nine million, eighty-three thousand, eight hundred forty-three".

Divisors: 1 199 9227 27791 1836173 5530409 256427557 51029083843