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6761442031 = 83787103511
BaseRepresentation
bin1100100110000001…
…10110101011101111
3122110012211211202221
412103000312223233
5102321412121111
63034533100211
7326361210661
oct62300665357
918405754687
106761442031
11295a726523
121388487667
13839a6b596
14481dbc531
152988e5371
hex193036aef

6761442031 has 8 divisors (see below), whose sum is σ = 6851666304. Its totient is φ = 6671426520.

The previous prime is 6761442019. The next prime is 6761442091. The reversal of 6761442031 is 1302441676.

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 6761442031 - 27 = 6761441903 is a prime.

It is a super-2 number, since 2×67614420312 = 91434196677146809922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6761442091) 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, 13566 + ... + 117076.

It is an arithmetic number, because the mean of its divisors is an integer number (856458288).

Almost surely, 26761442031 is an apocalyptic number.

6761442031 is a deficient number, since it is larger than the sum of its proper divisors (90224273).

6761442031 is a wasteful number, since it uses less digits than its factorization.

6761442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104381.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 6761442031 is about 82227.9881244823. The cubic root of 6761442031 is about 1890.9488280086.

The spelling of 6761442031 in words is "six billion, seven hundred sixty-one million, four hundred forty-two thousand, thirty-one".

Divisors: 1 83 787 65321 103511 8591413 81463157 6761442031