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28492641029 = 233809151157
BaseRepresentation
bin11010100010010010…
…110011001100000101
32201112200221010121002
4122202102303030011
5431323104003104
621031144103045
72026034311166
oct324222631405
981480833532
1028492641029
11110a1397a16
125632164a85
1328c0cc7408
14154418b76d
15b1b62901e
hex6a24b3305

28492641029 has 8 divisors (see below), whose sum is σ = 28650487320. Its totient is φ = 28335099136.

The previous prime is 28492641007. The next prime is 28492641083. The reversal of 28492641029 is 92014629482.

It can be written as a sum of positive squares in 4 ways, for example, as 2570997025 + 25921644004 = 50705^2 + 161002^2 .

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 28492641029 - 212 = 28492636933 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 (28492611029) 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, 112919 + ... + 264075.

It is an arithmetic number, because the mean of its divisors is an integer number (3581310915).

Almost surely, 228492641029 is an apocalyptic number.

It is an amenable number.

28492641029 is a deficient number, since it is larger than the sum of its proper divisors (157846291).

28492641029 is a wasteful number, since it uses less digits than its factorization.

28492641029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152199.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 28492641029 in words is "twenty-eight billion, four hundred ninety-two million, six hundred forty-one thousand, twenty-nine".

Divisors: 1 233 809 151157 188497 35219581 122286013 28492641029