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142244466630 = 23571481457363
BaseRepresentation
bin1000010001111001101…
…1100100111111000110
3111121011021001121010220
42010132123210333012
54312304040413010
6145202440325210
713163644005540
oct2043633447706
9447137047126
10142244466630
1155364325142
1223699473806
131054b892266
146c55762690
153a77cc3970
hex211e6e4fc6

142244466630 has 64 divisors (see below), whose sum is σ = 390420546048. Its totient is φ = 32490996480.

The previous prime is 142244466599. The next prime is 142244466643. The reversal of 142244466630 is 36664442241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82329 + ... + 539691.

It is an arithmetic number, because the mean of its divisors is an integer number (6100321032).

Almost surely, 2142244466630 is an apocalyptic number.

142244466630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142244466630 is an abundant number, since it is smaller than the sum of its proper divisors (248176079418).

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

142244466630 is a wasteful number, since it uses less digits than its factorization.

142244466630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458861.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 142244466630 in words is "one hundred forty-two billion, two hundred forty-four million, four hundred sixty-six thousand, six hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1481 2962 4443 7405 8886 10367 14810 20734 22215 31101 44430 51835 62202 103670 155505 311010 457363 914726 1372089 2286815 2744178 3201541 4573630 6403082 6860445 9604623 13720890 16007705 19209246 32015410 48023115 96046230 677354603 1354709206 2032063809 3386773015 4064127618 4741482221 6773546030 9482964442 10160319045 14224446663 20320638090 23707411105 28448893326 47414822210 71122233315 142244466630