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28455592704 = 283711796091
BaseRepresentation
bin11010100000000101…
…011110001100000000
32201110010012212211220
4122200011132030000
5431234112431304
621023342035040
72025104355450
oct324005361400
981403185756
1028455592704
1111082492a70
125621878a80
1328b6425226
14153d2a5d60
15b1825bad9
hex6a015e300

28455592704 has 288 divisors, whose sum is σ = 95631728640. Its totient is φ = 7296307200.

The previous prime is 28455592699. The next prime is 28455592723. The reversal of 28455592704 is 40729555482.

It is a super-2 number, since 2×284555927042 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4668699 + ... + 4674789.

Almost surely, 228455592704 is an apocalyptic number.

28455592704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28455592704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47815864320).

28455592704 is an abundant number, since it is smaller than the sum of its proper divisors (67176135936).

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

28455592704 is a wasteful number, since it uses less digits than its factorization.

28455592704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207 (or 6193 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 28455592704 in words is "twenty-eight billion, four hundred fifty-five million, five hundred ninety-two thousand, seven hundred four".