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142412451762 = 23719178461719
BaseRepresentation
bin1000010010100001110…
…0011000111110110010
3111121120222011010102110
42010220130120332302
54313130041424022
6145231241030150
713201053603240
oct2045034307662
9447528133373
10142412451762
1155440130929
1223725785356
131057761a449
146c6dbad790
153a8790700c
hex2128718fb2

142412451762 has 32 divisors (see below), whose sum is σ = 342646502400. Its totient is φ = 38547731088.

The previous prime is 142412451737. The next prime is 142412451791. The reversal of 142412451762 is 267154214241.

It is a self number, because there is not a number n which added to its sum of digits gives 142412451762.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89230062 + ... + 89231657.

It is an arithmetic number, because the mean of its divisors is an integer number (10707703200).

Almost surely, 2142412451762 is an apocalyptic number.

142412451762 is an abundant number, since it is smaller than the sum of its proper divisors (200234050638).

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

142412451762 is a wasteful number, since it uses less digits than its factorization.

142412451762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178461750.

The product of its digits is 107520, while the sum is 39.

The spelling of 142412451762 in words is "one hundred forty-two billion, four hundred twelve million, four hundred fifty-one thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 178461719 356923438 535385157 1070770314 1249232033 2498464066 3390772661 3747696099 6781545322 7495392198 10172317983 20344635966 23735408627 47470817254 71206225881 142412451762