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142186464030 = 235133111760667
BaseRepresentation
bin1000010001101011111…
…0010100001100011110
3111121000012220202112110
42010122332110030132
54312144213322110
6145153005214450
713162341001002
oct2043276241436
9447005822473
10142186464030
1155334608a06
1223681b61426
131053c8644b0
146c4bb84702
153a72b67a20
hex211af9431e

142186464030 has 64 divisors (see below), whose sum is σ = 379352107008. Its totient is φ = 33870718080.

The previous prime is 142186463981. The next prime is 142186464031. The reversal of 142186464030 is 30464681241.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 142186464030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142186464031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5868244 + ... + 5892423.

It is an arithmetic number, because the mean of its divisors is an integer number (5927376672).

Almost surely, 2142186464030 is an apocalyptic number.

142186464030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142186464030 is an abundant number, since it is smaller than the sum of its proper divisors (237165642978).

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

142186464030 is a wasteful number, since it uses less digits than its factorization.

142186464030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11760721.

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 142186464030 in words is "one hundred forty-two billion, one hundred eighty-six million, four hundred sixty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 31 39 62 65 78 93 130 155 186 195 310 390 403 465 806 930 1209 2015 2418 4030 6045 12090 11760667 23521334 35282001 58803335 70564002 117606670 152888671 176410005 305777342 352820010 364580677 458666013 729161354 764443355 917332026 1093742031 1528886710 1822903385 2187484062 2293330065 3645806770 4586660130 4739548801 5468710155 9479097602 10937420310 14218646403 23697744005 28437292806 47395488010 71093232015 142186464030