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144870574220 = 22545071607173
BaseRepresentation
bin1000011011101011110…
…1011000100010001100
3111211221021112200111222
42012322331120202030
54333143331333340
6150315211102512
713316012364101
oct2067275304214
9454837480458
10144870574220
1156491731699
12240b0a41a38
1310879976588
14702443caa8
153b7d60e8b5
hex21baf5888c

144870574220 has 24 divisors (see below), whose sum is σ = 304295896464. Its totient is φ = 57935336256.

The previous prime is 144870574183. The next prime is 144870574271. The reversal of 144870574220 is 22475078441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713447 + ... + 893726.

It is an arithmetic number, because the mean of its divisors is an integer number (12678995686).

Almost surely, 2144870574220 is an apocalyptic number.

144870574220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144870574220 is an abundant number, since it is smaller than the sum of its proper divisors (159425322244).

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

144870574220 is a wasteful number, since it uses less digits than its factorization.

144870574220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611689 (or 1611687 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 44.

The spelling of 144870574220 in words is "one hundred forty-four billion, eight hundred seventy million, five hundred seventy-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 4507 9014 18028 22535 45070 90140 1607173 3214346 6428692 8035865 16071730 32143460 7243528711 14487057422 28974114844 36217643555 72435287110 144870574220