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4879253680 = 245731281063
BaseRepresentation
bin1001000101101001…
…11000000010110000
3110121001011202202021
410202310320002300
534443042104210
62124055201224
7231624654250
oct44264700260
913531152667
104879253680
112084236564
12b42076214
135c9b33072
1434402d960
151d8554bda
hex122d380b0

4879253680 has 80 divisors (see below), whose sum is σ = 13383143424. Its totient is φ = 1618917120.

The previous prime is 4879253663. The next prime is 4879253707. The reversal of 4879253680 is 863529784.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123172 + ... + 157891.

Almost surely, 24879253680 is an apocalyptic number.

4879253680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4879253680 is an abundant number, since it is smaller than the sum of its proper divisors (8503889744).

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

4879253680 is a wasteful number, since it uses less digits than its factorization.

4879253680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281114 (or 281108 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The square root of 4879253680 is about 69851.6548121804. The cubic root of 4879253680 is about 1696.0987449182.

The spelling of 4879253680 in words is "four billion, eight hundred seventy-nine million, two hundred fifty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 140 155 217 248 280 310 434 496 560 620 868 1085 1240 1736 2170 2480 3472 4340 8680 17360 281063 562126 1124252 1405315 1967441 2248504 2810630 3934882 4497008 5621260 7869764 8712953 9837205 11242520 15739528 17425906 19674410 22485040 31479056 34851812 39348820 43564765 60990671 69703624 78697640 87129530 121981342 139407248 157395280 174259060 243962684 304953355 348518120 487925368 609906710 697036240 975850736 1219813420 2439626840 4879253680