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28463064100 = 2252168712
BaseRepresentation
bin11010100000100001…
…111110010000100100
32201110122021110200021
4122200201332100210
5431243021022400
621024210124524
72025225024112
oct324041762044
981418243607
1028463064100
1111086726379
125624280744
1328b7b3cb83
14154028cab2
15b18c3571a
hex6a087e424

28463064100 has 27 divisors (see below), whose sum is σ = 61768510321. Its totient is φ = 11384550800.

The previous prime is 28463064053. The next prime is 28463064103. The reversal of 28463064100 is 146036482.

The square root of 28463064100 is 168710.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10246703076 + 18216361024 = 101226^2 + 134968^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28463064103) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1678665 + ... + 1695535.

Almost surely, 228463064100 is an apocalyptic number.

28463064100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

28463064100 is the 168710-th square number.

It is an amenable number.

28463064100 is an abundant number, since it is smaller than the sum of its proper divisors (33305446221).

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

28463064100 is an frugal number, since it uses more digits than its factorization.

28463064100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33756 (or 16878 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 28463064100 in words is "twenty-eight billion, four hundred sixty-three million, sixty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 16871 33742 67484 84355 168710 337420 421775 843550 1687100 284630641 569261282 1138522564 1423153205 2846306410 5692612820 7115766025 14231532050 28463064100