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51700060507 = 121687424861
BaseRepresentation
bin110000001001100100…
…000101000101011011
311221110001210012012211
4300021210011011123
51321340203414012
635430051415551
73510114156244
oct601144050533
9157401705184
1051700060507
111aa20377737
12a02a2b45b7
134b4c03a9a4
14270642dccb
151528c5b6a7
hexc0990515b

51700060507 has 4 divisors (see below), whose sum is σ = 51700607056. Its totient is φ = 51699513960.

The previous prime is 51700060483. The next prime is 51700060519. The reversal of 51700060507 is 70506000715.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 51700060507 - 219 = 51699536219 is a prime.

It is a super-2 number, since 2×517000605072 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51700070507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90744 + ... + 334117.

It is an arithmetic number, because the mean of its divisors is an integer number (12925151764).

Almost surely, 251700060507 is an apocalyptic number.

51700060507 is a deficient number, since it is larger than the sum of its proper divisors (546549).

51700060507 is a wasteful number, since it uses less digits than its factorization.

51700060507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546548.

The product of its (nonzero) digits is 7350, while the sum is 31.

The spelling of 51700060507 in words is "fifty-one billion, seven hundred million, sixty thousand, five hundred seven".

Divisors: 1 121687 424861 51700060507