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2493942880 = 2551113109001
BaseRepresentation
bin1001010010100110…
…1000110001100000
320102210210102110211
42110221220301200
520101422133010
61051245503504
7115542110332
oct22451506140
96383712424
102493942880
11106a847220
12597271b94
133098bb460
14199315452
15e8e3108a
hex94a68c60

2493942880 has 96 divisors (see below), whose sum is σ = 6922063008. Its totient is φ = 837120000.

The previous prime is 2493942859. The next prime is 2493942917. The reversal of 2493942880 is 882493942.

It is a congruent number.

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, 31621 + ... + 77380.

It is an arithmetic number, because the mean of its divisors is an integer number (72104823).

Almost surely, 22493942880 is an apocalyptic number.

2493942880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2493942880 is an abundant number, since it is smaller than the sum of its proper divisors (4428120128).

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

2493942880 is a wasteful number, since it uses less digits than its factorization.

2493942880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109040 (or 109032 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 2493942880 is about 49939.3920667843. The cubic root of 2493942880 is about 1356.1118183243. Note that the first 3 decimals are identical.

The spelling of 2493942880 in words is "two billion, four hundred ninety-three million, nine hundred forty-two thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 65 80 88 104 110 130 143 160 176 208 220 260 286 352 416 440 520 572 715 880 1040 1144 1430 1760 2080 2288 2860 4576 5720 11440 22880 109001 218002 436004 545005 872008 1090010 1199011 1417013 1744016 2180020 2398022 2834026 3488032 4360040 4796044 5668052 5995055 7085065 8720080 9592088 11336104 11990110 14170130 15587143 17440160 19184176 22672208 23980220 28340260 31174286 38368352 45344416 47960440 56680520 62348572 77935715 95920880 113361040 124697144 155871430 191841760 226722080 249394288 311742860 498788576 623485720 1246971440 2493942880