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15248870866970 = 251329023000513
BaseRepresentation
bin1101110111100110011110…
…0010000000000000011010
31222222210000000210100000222
43131321213202000000122
53444314141420220340
652233122400000042
73132460143515246
oct335714742000032
958883000710028
1015248870866970
11494a012081434
121863400000022
13867c6839a500
143aa099363426
151b69d12908b5
hexdde6788001a

15248870866970 has 24 divisors (see below), whose sum is σ = 29721763693116. Its totient is φ = 5630352319488.

The previous prime is 15248870866951. The next prime is 15248870866993. The reversal of 15248870866970 is 7966807884251.

It can be written as a sum of positive squares in 6 ways, for example, as 12003612721 + 15236867254249 = 109561^2 + 3903443^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15248870866894 and 15248870866903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4511498567 + ... + 4511501946.

Almost surely, 215248870866970 is an apocalyptic number.

15248870866970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15248870866970 is a deficient number, since it is larger than the sum of its proper divisors (14472892826146).

15248870866970 is a wasteful number, since it uses less digits than its factorization.

15248870866970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9023000546 (or 9023000533 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 71.

The spelling of 15248870866970 in words is "fifteen trillion, two hundred forty-eight billion, eight hundred seventy million, eight hundred sixty-six thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 9023000513 18046001026 45115002565 90230005130 117299006669 234598013338 586495033345 1172990066690 1524887086697 3049774173394 7624435433485 15248870866970