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1002187457050 = 252132859153927
BaseRepresentation
bin11101001010101110000…
…01110000001000011010
310112210211011111202102211
432211113001300020122
5112404434442111200
62044222031145334
7132256065554563
oct16452701601032
93483734452384
101002187457050
1135703076883a
1214229267524a
1373676528020
1436712b7b16a
151b108806aba
hexe95707021a

1002187457050 has 48 divisors (see below), whose sum is σ = 2007566007552. Its totient is φ = 370018641600.

The previous prime is 1002187456943. The next prime is 1002187457113. The reversal of 1002187457050 is 507547812001.

It is a junction number, because it is equal to n+sod(n) for n = 1002187456994 and 1002187457012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18557187 + ... + 18611113.

It is an arithmetic number, because the mean of its divisors is an integer number (41824291824).

Almost surely, 21002187457050 is an apocalyptic number.

1002187457050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002187457050 is an abundant number, since it is smaller than the sum of its proper divisors (1005378550502).

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

1002187457050 is a wasteful number, since it uses less digits than its factorization.

1002187457050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82543 (or 82538 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 1002187457050 in words is "one trillion, two billion, one hundred eighty-seven million, four hundred fifty-seven thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 28591 53927 57182 107854 142955 269635 285910 371683 539270 701051 714775 743366 1348175 1402102 1429550 1858415 2696350 3505255 3716830 7010510 9292075 17526275 18584150 35052550 1541826857 3083653714 7709134285 15418268570 20043749141 38545671425 40087498282 77091342850 100218745705 200437491410 501093728525 1002187457050