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61071860714 = 230535930357
BaseRepresentation
bin111000111000001010…
…101010001111101010
312211122012110222020012
4320320022222033222
52000033344020324
644020033531522
74261263152024
oct707012521752
9184565428205
1061071860714
112399a522967
12ba04a13ba2
1359b3837ab7
142d54d89014
1518c68cb20e
hexe382aa3ea

61071860714 has 4 divisors (see below), whose sum is σ = 91607791074. Its totient is φ = 30535930356.

The previous prime is 61071860669. The next prime is 61071860723. The reversal of 61071860714 is 41706817016.

61071860714 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42202717489 + 18869143225 = 205433^2 + 137365^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267965177 + ... + 15267965180.

Almost surely, 261071860714 is an apocalyptic number.

61071860714 is a deficient number, since it is larger than the sum of its proper divisors (30535930360).

61071860714 is a wasteful number, since it uses less digits than its factorization.

61071860714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30535930359.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 61071860714 in words is "sixty-one billion, seventy-one million, eight hundred sixty thousand, seven hundred fourteen".

Divisors: 1 2 30535930357 61071860714