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142210044342 = 232172187914549
BaseRepresentation
bin1000010001110001100…
…0010001000110110110
3111121001212021202122100
42010130120101012312
54312221232404332
6145155210442530
713163045301162
oct2043430210666
9447055252570
10142210044342
1155346954173
1223689a33446
13105446cc442
146c50d61ca2
153a74c7467c
hex211c6111b6

142210044342 has 72 divisors (see below), whose sum is σ = 327509442000. Its totient is φ = 44588107008.

The previous prime is 142210044311. The next prime is 142210044367. The reversal of 142210044342 is 243440012241.

142210044342 is a `hidden beast` number, since 1 + 4 + 2 + 210 + 0 + 443 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9767284 + ... + 9781832.

It is an arithmetic number, because the mean of its divisors is an integer number (4548742250).

Almost surely, 2142210044342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142210044342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163754721000).

142210044342 is an abundant number, since it is smaller than the sum of its proper divisors (185299397658).

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

142210044342 is a wasteful number, since it uses less digits than its factorization.

142210044342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16470 (or 16450 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 142210044342 its reverse (243440012241), we get a palindrome (385650056583).

The spelling of 142210044342 in words is "one hundred forty-two billion, two hundred ten million, forty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 289 306 578 867 1734 1879 2601 3758 5202 5637 11274 14549 16911 29098 31943 33822 43647 63886 87294 95829 130941 191658 247333 261882 287487 494666 543031 574974 741999 1086062 1483998 1629093 2225997 3258186 4204661 4451994 4887279 8409322 9774558 12613983 25227966 27337571 37841949 54675142 75683898 82012713 164025426 246038139 464738707 492076278 929477414 1394216121 2788432242 4182648363 7900558019 8365296726 15801116038 23701674057 47403348114 71105022171 142210044342