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142013140355420 = 22519419115092449
BaseRepresentation
bin100000010010100100000010…
…110010001100100101011100
3200121211022201220222121110122
4200102210002302030211130
5122103220402412333140
61222011534103254112
741625053002002215
oct4022440262144534
9617738656877418
10142013140355420
11412824865015a4
1213b1712144a338
136131a214497b9
14270d68900040c
15116414ade2ab5
hex812902c8c95c

142013140355420 has 48 divisors (see below), whose sum is σ = 321580461636000. Its totient is φ = 52502932500480.

The previous prime is 142013140355399. The next prime is 142013140355453. The reversal of 142013140355420 is 24553041310241.

It is a congruent number.

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, 4557530645 + ... + 4557561804.

It is an arithmetic number, because the mean of its divisors is an integer number (6699592950750).

Almost surely, 2142013140355420 is an apocalyptic number.

142013140355420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142013140355420 is an abundant number, since it is smaller than the sum of its proper divisors (179567321280580).

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

142013140355420 is a wasteful number, since it uses less digits than its factorization.

142013140355420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115092518 (or 9115092516 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 142013140355420 its reverse (24553041310241), we get a palindrome (166566181665661).

The spelling of 142013140355420 in words is "one hundred forty-two trillion, thirteen billion, one hundred forty million, three hundred fifty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 41 76 82 95 164 190 205 380 410 779 820 1558 3116 3895 7790 15580 9115092449 18230184898 36460369796 45575462245 91150924490 173186756531 182301848980 346373513062 373718790409 692747026124 747437580818 865933782655 1494875161636 1731867565310 1868593952045 3463735130620 3737187904090 7100657017771 7474375808180 14201314035542 28402628071084 35503285088855 71006570177710 142013140355420