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401144019200 = 285262678753
BaseRepresentation
bin1011101011001100000…
…10111111100100000000
31102100102102020120022022
411311212002333210000
523033020332103300
6504141044301012
740660502621651
oct5654602774400
91370372216268
10401144019200
11145140382a11
12658b23a1768
132ba9b662092
14155b60bd528
15a67c077285
hex5d660bf900

401144019200 has 54 divisors (see below), whose sum is σ = 992894142114. Its totient is φ = 160457605120.

The previous prime is 401144019191. The next prime is 401144019203. The reversal of 401144019200 is 2910441104.

It can be written as a sum of positive squares in 3 ways, for example, as 4929163264 + 396214855936 = 70208^2 + 629456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 401144019200.

It is not an unprimeable number, because it can be changed into a prime (401144019203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31332977 + ... + 31345776.

Almost surely, 2401144019200 is an apocalyptic number.

401144019200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401144019200 is an abundant number, since it is smaller than the sum of its proper divisors (591750122914).

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

401144019200 is an equidigital number, since it uses as much as digits as its factorization.

401144019200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62678779 (or 62678760 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 401144019200 in words is "four hundred one billion, one hundred forty-four million, nineteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 640 800 1280 1600 3200 6400 62678753 125357506 250715012 313393765 501430024 626787530 1002860048 1253575060 1566968825 2005720096 2507150120 3133937650 4011440192 5014300240 6267875300 8022880384 10028600480 12535750600 16045760768 20057200960 25071501200 40114401920 50143002400 80228803840 100286004800 200572009600 401144019200