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57079874240 = 265178374607
BaseRepresentation
bin110101001010001110…
…011100001011000000
312110022222212001021022
4311022032130023000
51413344421433430
642115551445012
74060330632344
oct651216341300
9173288761238
1057079874240
1122231112394
12b08bb26768
1354c8790a1c
142a96b1d624
1517411da4e5
hexd4a39c2c0

57079874240 has 28 divisors (see below), whose sum is σ = 135921451296. Its totient is φ = 22831949568.

The previous prime is 57079874221. The next prime is 57079874251. The reversal of 57079874240 is 4247897075.

It is a super-2 number, since 2×570798742402 (a number of 22 digits) contains 22 as substring.

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, 89186984 + ... + 89187623.

Almost surely, 257079874240 is an apocalyptic number.

It is an amenable number.

57079874240 is an abundant number, since it is smaller than the sum of its proper divisors (78841577056).

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

57079874240 is a wasteful number, since it uses less digits than its factorization.

57079874240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178374624 (or 178374614 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 57079874240 in words is "fifty-seven billion, seventy-nine million, eight hundred seventy-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 178374607 356749214 713498428 891873035 1426996856 1783746070 2853993712 3567492140 5707987424 7134984280 11415974848 14269968560 28539937120 57079874240