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60684873649 = 2463432
BaseRepresentation
bin111000100001000110…
…011010111110110001
312210122020021222202221
4320201012122332301
51443240311424044
643513411241041
74245553625611
oct704106327661
9183566258687
1060684873649
1123811035844
12b9172a9181
13595160157a
142d19810a41
1518a2938484
hexe2119afb1

60684873649 has 3 divisors (see below), whose sum is σ = 60685119993. Its totient is φ = 60684627306.

The previous prime is 60684873607. The next prime is 60684873707. The reversal of 60684873649 is 94637848606.

The square root of 60684873649 is 246343.

It is a perfect power (a square), and thus also a powerful number.

60684873649 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, and also a brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2k-60684873649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60684879649) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 123172 + ... + 369514.

It is an arithmetic number, because the mean of its divisors is an integer number (20228373331).

Almost surely, 260684873649 is an apocalyptic number.

60684873649 is the 246343-rd square number.

60684873649 is the 123172-nd centered octagonal number.

It is an amenable number.

60684873649 is a deficient number, since it is larger than the sum of its proper divisors (246344).

60684873649 is an frugal number, since it uses more digits than its factorization.

60684873649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492686 (or 246343 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 60684873649 in words is "sixty billion, six hundred eighty-four million, eight hundred seventy-three thousand, six hundred forty-nine".

Divisors: 1 246343 60684873649