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74078013800 = 2352727558981
BaseRepresentation
bin100010011111101100…
…1001100100101101000
321002012121212000010202
41010333121030211220
52203202432420200
654010404531332
75231502504500
oct1047731144550
9232177760122
1074078013800
112946412020a
12124346b0b48
136ca728237b
14382a476a00
151dd86461d5
hex113f64c968

74078013800 has 72 divisors (see below), whose sum is σ = 200350817910. Its totient is φ = 25398172800.

The previous prime is 74078013767. The next prime is 74078013817. The reversal of 74078013800 is 831087047.

It can be written as a sum of positive squares in 3 ways, for example, as 46308457636 + 27769556164 = 215194^2 + 166642^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3769691 + ... + 3789290.

Almost surely, 274078013800 is an apocalyptic number.

74078013800 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74078013800 is an abundant number, since it is smaller than the sum of its proper divisors (126272804110).

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

74078013800 is a wasteful number, since it uses less digits than its factorization.

74078013800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559011 (or 7558995 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 74078013800 in words is "seventy-four billion, seventy-eight million, thirteen thousand, eight hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 70 98 100 140 175 196 200 245 280 350 392 490 700 980 1225 1400 1960 2450 4900 9800 7558981 15117962 30235924 37794905 52912867 60471848 75589810 105825734 151179620 188974525 211651468 264564335 302359240 370390069 377949050 423302936 529128670 740780138 755898100 1058257340 1322821675 1481560276 1511796200 1851950345 2116514680 2645643350 2963120552 3703900690 5291286700 7407801380 9259751725 10582573400 14815602760 18519503450 37039006900 74078013800