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15141242880625 = 5431724912
BaseRepresentation
bin1101110001010101100001…
…1001110100001001110001
31222121111012020202010200111
43130111120121310021301
53441033231134140000
652111442502421321
73121630053650431
oct334253031641161
958544166663614
1015141242880625
114908401969294
121846583731841
1385aa7543a9a4
143a4ba91d62c1
151b3cd2541cba
hexdc558674271

15141242880625 has 45 divisors (see below), whose sum is σ = 19019106789991. Its totient is φ = 12050190740000.

The previous prime is 15141242880593. The next prime is 15141242880641. The reversal of 15141242880625 is 52608824214151.

The square root of 15141242880625 is 3891175.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 15110689239009 + 30553641616 = 3887247^2 + 174796^2 .

It is not a de Polignac number, because 15141242880625 - 25 = 15141242880593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 30837561630 + ... + 30837562120.

Almost surely, 215141242880625 is an apocalyptic number.

15141242880625 is the 3891175-th square number.

15141242880625 is the 1945588-th centered octagonal number.

It is an amenable number.

15141242880625 is a deficient number, since it is larger than the sum of its proper divisors (3877863909366).

15141242880625 is an frugal number, since it uses more digits than its factorization.

15141242880625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

Multiplying 15141242880625 by its sum of digits (49), we get a square (741920901150625 = 272382252).

The spelling of 15141242880625 in words is "fifteen trillion, one hundred forty-one billion, two hundred forty-two million, eight hundred eighty thousand, six hundred twenty-five".

Divisors: 1 5 25 125 317 491 625 1585 2455 7925 12275 39625 61375 100489 155647 198125 241081 306875 502445 778235 1205405 2512225 3891175 6027025 12561125 19455875 30135125 49340099 62805625 76422677 97279375 150675625 246700495 382113385 1233502475 1910566925 6167512375 9552834625 24225988609 30837561875 47764173125 121129943045 605649715225 3028248576125 15141242880625