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51245562314 = 2172277766173
BaseRepresentation
bin101111101110011110…
…010011100111001010
311220021101120021220102
4233232132103213022
51314422330443224
635313014125402
73462625043522
oct575636234712
9156241507812
1051245562314
111a8078694a1
129b22050862
134aa8b2774b
1426a1d20682
1514eddd04ae
hexbee7939ca

51245562314 has 16 divisors (see below), whose sum is σ = 81394814088. Its totient is φ = 24114135552.

The previous prime is 51245562307. The next prime is 51245562317. The reversal of 51245562314 is 41326554215.

It can be written as a sum of positive squares in 4 ways, for example, as 47313645289 + 3931917025 = 217517^2 + 62705^2 .

It is a super-2 number, since 2×512455623142 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51245562317) 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, 741332 + ... + 807504.

Almost surely, 251245562314 is an apocalyptic number.

51245562314 is a deficient number, since it is larger than the sum of its proper divisors (30149251774).

51245562314 is a wasteful number, since it uses less digits than its factorization.

51245562314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88969.

The product of its digits is 144000, while the sum is 38.

The spelling of 51245562314 in words is "fifty-one billion, two hundred forty-five million, five hundred sixty-two thousand, three hundred fourteen".

Divisors: 1 2 17 34 22777 45554 66173 132346 387209 774418 1124941 2249882 1507222421 3014444842 25622781157 51245562314