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20273937252 = 22371101235601
BaseRepresentation
bin10010111000011010…
…111011101101100100
31221022220222201111220
4102320122323231210
5313010111443002
613151432500340
71315256423532
oct227032735544
957286881456
1020273937252
118664122148
123b1984a6b0
131bb137b89a
14da4833152
157d9d2c7bc
hex4b86bbb64

20273937252 has 48 divisors (see below), whose sum is σ = 48447310464. Its totient is φ = 6596800000.

The previous prime is 20273937241. The next prime is 20273937263. The reversal of 20273937252 is 25273937202.

It is an interprime number because it is at equal distance from previous prime (20273937241) and next prime (20273937263).

It is a super-2 number, since 2×202739372522 (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 31749 + ... + 203852.

It is an arithmetic number, because the mean of its divisors is an integer number (1009318968).

Almost surely, 220273937252 is an apocalyptic number.

It is an amenable number.

20273937252 is an abundant number, since it is smaller than the sum of its proper divisors (28173373212).

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

20273937252 is a wasteful number, since it uses less digits than its factorization.

20273937252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235780 (or 235778 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 20273937252 in words is "twenty billion, two hundred seventy-three million, nine hundred thirty-seven thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 71 101 142 202 213 284 303 404 426 606 852 1212 7171 14342 21513 28684 43026 86052 235601 471202 706803 942404 1413606 2827212 16727671 23795701 33455342 47591402 50183013 66910684 71387103 95182804 100366026 142774206 200732052 285548412 1689494771 3378989542 5068484313 6757979084 10136968626 20273937252