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142454726020 = 225237912373169
BaseRepresentation
bin1000010010101011110…
…1101001110110000100
3111121200220200212210201
42010222331221312010
54313221402213040
6145235351100244
713202106122635
oct2045275516604
9447626625721
10142454726020
1155461a85132
1223737971684
13105832cc1b9
146c7565588c
153a8b4a7a9a
hex212af69d84

142454726020 has 96 divisors (see below), whose sum is σ = 316468454400. Its totient is φ = 53754015744.

The previous prime is 142454726003. The next prime is 142454726053. The reversal of 142454726020 is 20627454241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44950996 + ... + 44954164.

It is an arithmetic number, because the mean of its divisors is an integer number (3296546400).

Almost surely, 2142454726020 is an apocalyptic number.

142454726020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142454726020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158234227200).

142454726020 is an abundant number, since it is smaller than the sum of its proper divisors (174013728380).

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

142454726020 is a wasteful number, since it uses less digits than its factorization.

142454726020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517 (or 4515 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 37.

The spelling of 142454726020 in words is "one hundred forty-two billion, four hundred fifty-four million, seven hundred twenty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 79 92 115 158 230 316 395 460 790 1237 1580 1817 2474 3169 3634 4948 6185 6338 7268 9085 12370 12676 15845 18170 24740 28451 31690 36340 56902 63380 72887 97723 113804 142255 145774 195446 250351 284510 291548 364435 390892 488615 500702 569020 728870 977230 1001404 1251755 1457740 1954460 2247629 2503510 3920053 4495258 5007020 5758073 7840106 8990516 11238145 11516146 15680212 19600265 22476290 23032292 28790365 39200530 44952580 57580730 78401060 90161219 115161460 180322438 309684187 360644876 450806095 619368374 901612190 1238736748 1548420935 1803224380 3096841870 6193683740 7122736301 14245472602 28490945204 35613681505 71227363010 142454726020