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142979342700 = 223521901250709
BaseRepresentation
bin1000010100101000111…
…0111010000101101100
3111200001110212011121010
42011022032322011230
54320310202431300
6145403411305220
713221106234425
oct2051216720554
9450043764533
10142979342700
1155701125437
12238635ab210
1310637bc2b7c
146cc51b864c
153abc584a50
hex214a3ba16c

142979342700 has 72 divisors (see below), whose sum is σ = 413906164560. Its totient is φ = 38107616000.

The previous prime is 142979342617. The next prime is 142979342767. The reversal of 142979342700 is 7243979241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142979342700.

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 23 ways as a sum of consecutive naturals, for example, 444946 + ... + 695654.

It is an arithmetic number, because the mean of its divisors is an integer number (5748696730).

Almost surely, 2142979342700 is an apocalyptic number.

142979342700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142979342700 is an abundant number, since it is smaller than the sum of its proper divisors (270926821860).

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

142979342700 is a wasteful number, since it uses less digits than its factorization.

142979342700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252627 (or 252620 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 142979342700 in words is "one hundred forty-two billion, nine hundred seventy-nine million, three hundred forty-two thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 1901 3802 5703 7604 9505 11406 19010 22812 28515 38020 47525 57030 95050 114060 142575 190100 250709 285150 501418 570300 752127 1002836 1253545 1504254 2507090 3008508 3760635 5014180 6267725 7521270 12535450 15042540 18803175 25070900 37606350 75212700 476597809 953195618 1429793427 1906391236 2382989045 2859586854 4765978090 5719173708 7148967135 9531956180 11914945225 14297934270 23829890450 28595868540 35744835675 47659780900 71489671350 142979342700