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51231023314 = 241797908463
BaseRepresentation
bin101111101101100110…
…110110000011010010
311220020101012122010221
4233231212312003102
51314410120221224
635311334343254
73462360341002
oct575546660322
9156211178127
1051231023314
111a7aa639099
129b191bab2a
134aa5b06ba3
1426a0018002
1514ec9ac6e4
hexbed9b60d2

51231023314 has 16 divisors (see below), whose sum is σ = 79717317120. Its totient is φ = 24674401440.

The previous prime is 51231023303. The next prime is 51231023317. The reversal of 51231023314 is 41332013215.

It is a happy number.

It is a super-2 number, since 2×512310233142 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51231023317) 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, 3947754 + ... + 3960709.

It is an arithmetic number, because the mean of its divisors is an integer number (4982332320).

Almost surely, 251231023314 is an apocalyptic number.

51231023314 is a deficient number, since it is larger than the sum of its proper divisors (28486293806).

51231023314 is a wasteful number, since it uses less digits than its factorization.

51231023314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7908585.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 51231023314 its reverse (41332013215), we get a palindrome (92563036529).

The spelling of 51231023314 in words is "fifty-one billion, two hundred thirty-one million, twenty-three thousand, three hundred fourteen".

Divisors: 1 2 41 79 82 158 3239 6478 7908463 15816926 324246983 624768577 648493966 1249537154 25615511657 51231023314