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28758142480248 = 2332589493677563
BaseRepresentation
bin1101000100111110001101…
…10111011110111101111000
310202211020210101200022221100
412202133012313132331320
512232133133433331443
6141055150330411400
76025464402550656
oct642370667367570
9122736711608840
1028758142480248
119188294785935
12328562b890b60
131307b5bcc2b9c
14715c89ac7dd6
1534d0ea4da3d3
hex1a27c6ddef78

28758142480248 has 48 divisors (see below), whose sum is σ = 77886882960120. Its totient is φ = 9586017084096.

The previous prime is 28758142480229. The next prime is 28758142480261. The reversal of 28758142480248 is 84208424185782.

It is a happy number.

28758142480248 is a `hidden beast` number, since 2 + 8 + 7 + 5 + 8 + 142 + 480 + 2 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42104715 + ... + 42782277.

Almost surely, 228758142480248 is an apocalyptic number.

It is an amenable number.

28758142480248 is an abundant number, since it is smaller than the sum of its proper divisors (49128740479872).

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

28758142480248 is a wasteful number, since it uses less digits than its factorization.

28758142480248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267068 (or 1267061 counting only the distinct ones).

The product of its (nonzero) digits is 73400320, while the sum is 63.

The spelling of 28758142480248 in words is "twenty-eight trillion, seven hundred fifty-eight billion, one hundred forty-two million, four hundred eighty thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 589493 677563 1178986 1355126 1768479 2032689 2357972 2710252 3536958 4065378 4715944 5305437 5420504 6098067 7073916 8130756 10610874 12196134 14147832 16261512 21221748 24392268 42443496 48784536 399418645559 798837291118 1198255936677 1597674582236 2396511873354 3195349164472 3594767810031 4793023746708 7189535620062 9586047493416 14379071240124 28758142480248