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2031639089 = 5361961927
BaseRepresentation
bin111100100011000…
…0101101000110001
312020120212221220012
41321012011220301
513130044422324
6533333024305
7101226435014
oct17106055061
95216787805
102031639089
11952897577
12488485095
13264ba440c
14153b7337b
15bd56220e
hex79185a31

2031639089 has 8 divisors (see below), whose sum is σ = 2073349440. Its totient is φ = 1990053936.

The previous prime is 2031639037. The next prime is 2031639097. The reversal of 2031639089 is 9809361302.

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 2031639089 - 216 = 2031573553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031639019) 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, 1844 + ... + 63770.

It is an arithmetic number, because the mean of its divisors is an integer number (259168680).

Almost surely, 22031639089 is an apocalyptic number.

It is an amenable number.

2031639089 is a deficient number, since it is larger than the sum of its proper divisors (41710351).

2031639089 is an equidigital number, since it uses as much as digits as its factorization.

2031639089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62599.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 2031639089 is about 45073.7072915020. The cubic root of 2031639089 is about 1266.5301130340.

The spelling of 2031639089 in words is "two billion, thirty-one million, six hundred thirty-nine thousand, eighty-nine".

Divisors: 1 53 619 32807 61927 3282131 38332813 2031639089