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8028542960 = 245100356787
BaseRepresentation
bin1110111101000100…
…11101011111110000
3202201112010020110222
413132202131133300
5112420301333320
63404355312212
7402645326534
oct73642353760
922645106428
108028542960
11344a9a3179
1216808ab668
139ac427b49
145623b7bc4
1531ec87825
hex1de89d7f0

8028542960 has 20 divisors (see below), whose sum is σ = 18666362568. Its totient is φ = 3211417152.

The previous prime is 8028542953. The next prime is 8028543023. The reversal of 8028542960 is 692458208.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 50178314 + ... + 50178473.

Almost surely, 28028542960 is an apocalyptic number.

8028542960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8028542960 is an abundant number, since it is smaller than the sum of its proper divisors (10637819608).

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

8028542960 is a wasteful number, since it uses less digits than its factorization.

8028542960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100356800 (or 100356794 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 8028542960 is about 89602.1370280866. The cubic root of 8028542960 is about 2002.3757567724.

The spelling of 8028542960 in words is "eight billion, twenty-eight million, five hundred forty-two thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 100356787 200713574 401427148 501783935 802854296 1003567870 1605708592 2007135740 4014271480 8028542960