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20445080310 = 2325551941161
BaseRepresentation
bin10011000010100111…
…110010101011110110
31221202212000200122200
4103002213302223312
5313332420032220
613220425005330
71322435213064
oct230247625366
957685020580
1020445080310
118741795496
123b67023846
131c0a971275
14dbd463034
157e9d86890
hex4c29f2af6

20445080310 has 48 divisors (see below), whose sum is σ = 53168132160. Its totient is φ = 5450901120.

The previous prime is 20445080251. The next prime is 20445080329. The reversal of 20445080310 is 1308054402.

20445080310 is a `hidden beast` number, since 204 + 450 + 8 + 0 + 3 + 1 + 0 = 666.

It is a super-2 number, since 2×204450803102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 476130 + ... + 517290.

It is an arithmetic number, because the mean of its divisors is an integer number (1107669420).

Almost surely, 220445080310 is an apocalyptic number.

20445080310 is an abundant number, since it is smaller than the sum of its proper divisors (32723051850).

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

20445080310 is a wasteful number, since it uses less digits than its factorization.

20445080310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46693 (or 46690 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 20445080310 in words is "twenty billion, four hundred forty-five million, eighty thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 5519 11038 16557 27595 33114 41161 49671 55190 82322 82785 99342 123483 165570 205805 246966 248355 370449 411610 496710 617415 740898 1234830 1852245 3704490 227167559 454335118 681502677 1135837795 1363005354 2044508031 2271675590 3407513385 4089016062 6815026770 10222540155 20445080310