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245443834120 = 23521129081023
BaseRepresentation
bin1110010010010110010…
…1111011000100001000
3212110112101212122111211
43210211211323010020
513010132110142440
6304431053102504
723506220111212
oct3444545730410
9773471778454
10245443834120
1195101711401
123b69a787a34
131a1b717b654
14bc456855b2
1565b7d33eea
hex392597b108

245443834120 has 32 divisors (see below), whose sum is σ = 554865937920. Its totient is φ = 97712233920.

The previous prime is 245443834109. The next prime is 245443834159. The reversal of 245443834120 is 21438344542.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14532072 + ... + 14548951.

It is an arithmetic number, because the mean of its divisors is an integer number (17339560560).

Almost surely, 2245443834120 is an apocalyptic number.

245443834120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245443834120 is an abundant number, since it is smaller than the sum of its proper divisors (309422103800).

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

245443834120 is a wasteful number, since it uses less digits than its factorization.

245443834120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29081245 (or 29081241 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 245443834120 in words is "two hundred forty-five billion, four hundred forty-three million, eight hundred thirty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 211 422 844 1055 1688 2110 4220 8440 29081023 58162046 116324092 145405115 232648184 290810230 581620460 1163240920 6136095853 12272191706 24544383412 30680479265 49088766824 61360958530 122721917060 245443834120