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51033423005 = 528139791493
BaseRepresentation
bin101111100001110101…
…000011110010011101
311212201121101111110222
4233201311003302131
51314004024014010
635235555211125
73454440636545
oct574165036235
9155647344428
1051033423005
111a709045054
129a82ba6aa5
134a73bacc26
142681a9c325
1514da479355
hexbe1d43c9d

51033423005 has 16 divisors (see below), whose sum is σ = 61613523504. Its totient is φ = 40578531840.

The previous prime is 51033422987. The next prime is 51033423083. The reversal of 51033423005 is 50032433015.

It can be written as a sum of positive squares in 8 ways, for example, as 9343542244 + 41689880761 = 96662^2 + 204181^2 .

It is not a de Polignac number, because 51033423005 - 28 = 51033422749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512039 + ... + 603531.

It is an arithmetic number, because the mean of its divisors is an integer number (3850845219).

Almost surely, 251033423005 is an apocalyptic number.

It is an amenable number.

51033423005 is a deficient number, since it is larger than the sum of its proper divisors (10580100499).

51033423005 is a wasteful number, since it uses less digits than its factorization.

51033423005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92176.

The product of its (nonzero) digits is 5400, while the sum is 26.

The spelling of 51033423005 in words is "fifty-one billion, thirty-three million, four hundred twenty-three thousand, five".

Divisors: 1 5 281 397 1405 1985 91493 111557 457465 557785 25709533 36322721 128547665 181613605 10206684601 51033423005