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142300031180 = 225131239227251
BaseRepresentation
bin1000010010000110111…
…1100010100011001100
3111121022010121120101012
42010201233202203030
54312412301444210
6145212143304352
713165220210366
oct2044157424314
9447263546335
10142300031180
115539272665a
12236b3bab0b8
131055a2483a8
146c5cca7d36
153a7caec305
hex2121be28cc

142300031180 has 48 divisors (see below), whose sum is σ = 302372421120. Its totient is φ = 56248920000.

The previous prime is 142300031177. The next prime is 142300031191. The reversal of 142300031180 is 81130003241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512555 + ... + 739805.

It is an arithmetic number, because the mean of its divisors is an integer number (6299425440).

Almost surely, 2142300031180 is an apocalyptic number.

142300031180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142300031180 is an abundant number, since it is smaller than the sum of its proper divisors (160072389940).

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

142300031180 is a wasteful number, since it uses less digits than its factorization.

142300031180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227630 (or 227628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 142300031180 in words is "one hundred forty-two billion, three hundred million, thirty-one thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 131 239 262 478 524 655 956 1195 1310 2390 2620 4780 31309 62618 125236 156545 227251 313090 454502 626180 909004 1136255 2272510 4545020 29769881 54312989 59539762 108625978 119079524 148849405 217251956 271564945 297698810 543129890 595397620 1086259780 7115001559 14230003118 28460006236 35575007795 71150015590 142300031180