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2681651213 = 17236858443
BaseRepresentation
bin1001111111010110…
…1100000000001101
320220212222222220022
42133311230000031
520443000314323
61122033031525
7123311442053
oct23765540015
96825888808
102681651213
1111567a427a
1262a0b55a5
13339760a87
141b62181d3
1510a65d4c8
hex9fd6c00d

2681651213 has 8 divisors (see below), whose sum is σ = 2962847808. Its totient is φ = 2414171584.

The previous prime is 2681651209. The next prime is 2681651239. The reversal of 2681651213 is 3121561862.

2681651213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2681651213 - 22 = 2681651209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681651513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3428831 + ... + 3429612.

It is an arithmetic number, because the mean of its divisors is an integer number (370355976).

Almost surely, 22681651213 is an apocalyptic number.

2681651213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2681651213 is a deficient number, since it is larger than the sum of its proper divisors (281196595).

2681651213 is a wasteful number, since it uses less digits than its factorization.

2681651213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858483.

The product of its digits is 17280, while the sum is 35.

The square root of 2681651213 is about 51784.6619473373. The cubic root of 2681651213 is about 1389.3151247115.

The spelling of 2681651213 in words is "two billion, six hundred eighty-one million, six hundred fifty-one thousand, two hundred thirteen".

Divisors: 1 17 23 391 6858443 116593531 157744189 2681651213