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28572541120 = 26589289191
BaseRepresentation
bin11010100111000011…
…100110000011000000
32201202021021110220201
4122213003212003000
5432004032303440
621043120414544
72031024410104
oct324703460300
981667243821
1028572541120
1111132500052
125654a77454
132904721186
141550a29904
15b2365d19a
hex6a70e60c0

28572541120 has 28 divisors (see below), whose sum is σ = 68038364304. Its totient is φ = 11429016320.

The previous prime is 28572541103. The next prime is 28572541133. The reversal of 28572541120 is 2114527582.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28572541120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44644276 + ... + 44644915.

Almost surely, 228572541120 is an apocalyptic number.

28572541120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28572541120 is an abundant number, since it is smaller than the sum of its proper divisors (39465823184).

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

28572541120 is an equidigital number, since it uses as much as digits as its factorization.

28572541120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89289208 (or 89289198 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 28572541120 in words is "twenty-eight billion, five hundred seventy-two million, five hundred forty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 89289191 178578382 357156764 446445955 714313528 892891910 1428627056 1785783820 2857254112 3571567640 5714508224 7143135280 14286270560 28572541120