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15142871625740 = 22519136129279693
BaseRepresentation
bin1101110001011011100101…
…1110111111000000001100
31222121122101202111221221122
43130112321132333000030
53441100100114010430
652112312244220112
73122015322031445
oct334267136770014
958548352457848
1015142871625740
114909068293631
12184695909a638
1385ac749c94b1
143a4cc16502cc
151b3d7a51cee5
hexdc5b97bf00c

15142871625740 has 48 divisors (see below), whose sum is σ = 33498312311520. Its totient is φ = 5734134881280.

The previous prime is 15142871625709. The next prime is 15142871625767. The reversal of 15142871625740 is 4752617824151.

It is a happy number.

It is a super-2 number, since 2×151428716257402 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14122667 + ... + 15157026.

It is an arithmetic number, because the mean of its divisors is an integer number (697881506490).

Almost surely, 215142871625740 is an apocalyptic number.

15142871625740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15142871625740 is an abundant number, since it is smaller than the sum of its proper divisors (18355440685780).

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

15142871625740 is a wasteful number, since it uses less digits than its factorization.

15142871625740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29281082 (or 29281080 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 15142871625740 in words is "fifteen trillion, one hundred forty-two billion, eight hundred seventy-one million, six hundred twenty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1361 2722 5444 6805 13610 25859 27220 51718 103436 129295 258590 517180 29279693 58559386 117118772 146398465 292796930 556314167 585593860 1112628334 2225256668 2781570835 5563141670 11126283340 39849662173 79699324346 159398648692 199248310865 398496621730 757143581287 796993243460 1514287162574 3028574325148 3785717906435 7571435812870 15142871625740