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51001056050 = 2527643226621
BaseRepresentation
bin101111011111111001…
…100101101100110010
311212122100111002100212
4233133321211230302
51313422232243200
635232441344122
73453565552340
oct573771455462
9155570432325
1051001056050
111a6a18482aa
129a74198042
134a6a289799
14267b674990
1514d76d4035
hexbdfe65b32

51001056050 has 48 divisors (see below), whose sum is σ = 108582758592. Its totient is φ = 17458804800.

The previous prime is 51001056047. The next prime is 51001056121. The reversal of 51001056050 is 5065010015.

It is a super-2 number, since 2×510010560502 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111740 + ... + 338360.

It is an arithmetic number, because the mean of its divisors is an integer number (2262140804).

Almost surely, 251001056050 is an apocalyptic number.

51001056050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51001056050 is an abundant number, since it is smaller than the sum of its proper divisors (57581702542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51001056050 is a wasteful number, since it uses less digits than its factorization.

51001056050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227283 (or 227278 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 51001056050 its reverse (5065010015), we get a palindrome (56066066065).

The spelling of 51001056050 in words is "fifty-one billion, one million, fifty-six thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 643 1286 3215 4501 6430 9002 16075 22505 32150 45010 112525 225050 226621 453242 1133105 1586347 2266210 3172694 5665525 7931735 11331050 15863470 39658675 79317350 145717303 291434606 728586515 1020021121 1457173030 2040042242 3642932575 5100105605 7285865150 10200211210 25500528025 51001056050