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51010740807 = 3132397253433
BaseRepresentation
bin101111100000011110…
…100010001001000111
311212200000201010100120
4233200132202021013
51313432222201212
635233425113023
73454044066645
oct574036421107
9155600633316
1051010740807
111a6a7262634
129a77488773
134a6c29aa00
14267ca76195
1514d849888c
hexbe07a2247

51010740807 has 24 divisors (see below), whose sum is σ = 73834447824. Its totient is φ = 31312030464.

The previous prime is 51010740791. The next prime is 51010740841. The reversal of 51010740807 is 70804701015.

It is not a de Polignac number, because 51010740807 - 24 = 51010740791 is a prime.

It is a super-2 number, since 2×510107408072 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010742807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74563 + ... + 327995.

It is an arithmetic number, because the mean of its divisors is an integer number (3076435326).

Almost surely, 251010740807 is an apocalyptic number.

51010740807 is a deficient number, since it is larger than the sum of its proper divisors (22823707017).

51010740807 is a wasteful number, since it uses less digits than its factorization.

51010740807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253859 (or 253846 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The spelling of 51010740807 in words is "fifty-one billion, ten million, seven hundred forty thousand, eight hundred seven".

Divisors: 1 3 13 39 169 397 507 1191 5161 15483 67093 201279 253433 760299 3294629 9883887 42830177 100612901 128490531 301838703 1307967713 3923903139 17003580269 51010740807