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248481728190 = 2335920302697
BaseRepresentation
bin1110011101101010101…
…0100100011010111110
3212202101010012122202000
43213122222210122332
513032342310300230
6310052333443130
723644415561223
oct3473252443276
9782333178660
10248481728190
1196420504163
12401a80404a6
131a57c66ccc7
14c052d1394a
1566e48b0b60
hex39daaa46be

248481728190 has 32 divisors (see below), whose sum is σ = 662617942560. Its totient is φ = 66261794112.

The previous prime is 248481728179. The next prime is 248481728203. The reversal of 248481728190 is 91827184842.

248481728190 is a `hidden beast` number, since 2 + 4 + 8 + 481 + 72 + 8 + 1 + 90 = 666.

It is a super-2 number, since 2×2484817281902 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 460151079 + ... + 460151618.

It is an arithmetic number, because the mean of its divisors is an integer number (20706810705).

Almost surely, 2248481728190 is an apocalyptic number.

248481728190 is an abundant number, since it is smaller than the sum of its proper divisors (414136214370).

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

248481728190 is a wasteful number, since it uses less digits than its factorization.

248481728190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920302713 (or 920302707 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 248481728190 in words is "two hundred forty-eight billion, four hundred eighty-one million, seven hundred twenty-eight thousand, one hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 920302697 1840605394 2760908091 4601513485 5521816182 8282724273 9203026970 13804540455 16565448546 24848172819 27609080910 41413621365 49696345638 82827242730 124240864095 248481728190