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28269760044 = 2234129570553
BaseRepresentation
bin11010010101000000…
…100100111000101100
32200222011112121100210
4122111000210320230
5430344024310134
620553103022420
72020356665331
oct322500447054
980864477323
1028269760044
1110a975a7159
12558b59aa10
132886a8b586
141522730988
15b06ca02e9
hex695024e2c

28269760044 has 24 divisors (see below), whose sum is σ = 65978864560. Its totient is φ = 9420954624.

The previous prime is 28269760031. The next prime is 28269760067. The reversal of 28269760044 is 44006796282.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28269759975 and 28269760002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235729 + ... + 334824.

Almost surely, 228269760044 is an apocalyptic number.

It is an amenable number.

28269760044 is an abundant number, since it is smaller than the sum of its proper divisors (37709104516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28269760044 is a wasteful number, since it uses less digits than its factorization.

28269760044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574689 (or 574687 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 28269760044 in words is "twenty-eight billion, two hundred sixty-nine million, seven hundred sixty thousand, forty-four".

Divisors: 1 2 3 4 6 12 4129 8258 12387 16516 24774 49548 570553 1141106 1711659 2282212 3423318 6846636 2355813337 4711626674 7067440011 9423253348 14134880022 28269760044