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28107553403 = 41691992113
BaseRepresentation
bin11010001011010101…
…110011101001111011
32200112212022122200102
4122023111303221323
5430031013202103
620525030230015
72013350155556
oct321325635173
980485278612
1028107553403
1110a13a87986
1255451b530b
13285c2a7607
141508d8969d
15ae790de88
hex68b573a7b

28107553403 has 8 divisors (see below), whose sum is σ = 28834801296. Its totient is φ = 27382291200.

The previous prime is 28107553393. The next prime is 28107553421. The reversal of 28107553403 is 30435570182.

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 28107553403 - 24 = 28107553387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28107553003) 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, 467726 + ... + 524387.

It is an arithmetic number, because the mean of its divisors is an integer number (3604350162).

Almost surely, 228107553403 is an apocalyptic number.

28107553403 is a deficient number, since it is larger than the sum of its proper divisors (727247893).

28107553403 is an equidigital number, since it uses as much as digits as its factorization.

28107553403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992845.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 28107553403 in words is "twenty-eight billion, one hundred seven million, five hundred fifty-three thousand, four hundred three".

Divisors: 1 41 691 28331 992113 40676633 685550083 28107553403