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257300484788 = 22242232655539
BaseRepresentation
bin1110111110100001001…
…1011101001010110100
3220121010201020220112202
43233220103131022310
513203422411003123
6314111402204032
724406101014654
oct3575023351264
9817121226482
10257300484788
119a136463556
1241a494b3618
131b356702489
14c64c22a364
156a5dbdaa28
hex3be84dd2b4

257300484788 has 12 divisors (see below), whose sum is σ = 450294606720. Its totient is φ = 128644882872.

The previous prime is 257300484773. The next prime is 257300484797. The reversal of 257300484788 is 887484003752.

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, 1230878 + ... + 1424661.

It is an arithmetic number, because the mean of its divisors is an integer number (37524550560).

Almost surely, 2257300484788 is an apocalyptic number.

It is an amenable number.

257300484788 is a deficient number, since it is larger than the sum of its proper divisors (192994121932).

257300484788 is a wasteful number, since it uses less digits than its factorization.

257300484788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679766 (or 2679764 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 257300484788 in words is "two hundred fifty-seven billion, three hundred million, four hundred eighty-four thousand, seven hundred eighty-eight".

Divisors: 1 2 4 24223 48446 96892 2655539 5311078 10622156 64325121197 128650242394 257300484788