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681076411 = 4911387121
BaseRepresentation
bin101000100110000…
…110011010111011
31202110120021012021
4220212012122323
52343323421121
6151325455311
722610024341
oct5046063273
91673507167
10681076411
1131a4a4874
12170111537
13ab144bc2
146664d991
153ebd5641
hex289866bb

681076411 has 4 divisors (see below), whose sum is σ = 682464024. Its totient is φ = 679688800.

The previous prime is 681076399. The next prime is 681076421. The reversal of 681076411 is 114670186.

681076411 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 is a cyclic number.

It is not a de Polignac number, because 681076411 - 27 = 681076283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (681076421) 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, 693070 + ... + 694051.

It is an arithmetic number, because the mean of its divisors is an integer number (170616006).

Almost surely, 2681076411 is an apocalyptic number.

681076411 is a deficient number, since it is larger than the sum of its proper divisors (1387613).

681076411 is a wasteful number, since it uses less digits than its factorization.

681076411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387612.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 681076411 is about 26097.4406982754. The cubic root of 681076411 is about 879.8296894068.

The spelling of 681076411 in words is "six hundred eighty-one million, seventy-six thousand, four hundred eleven".

Divisors: 1 491 1387121 681076411