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20250339550 = 252771814903
BaseRepresentation
bin10010110111000000…
…111010100011011110
31221021021120211112221
4102313000322203132
5312433041331200
613145231015554
71314552021550
oct226700724336
957237524487
1020250339550
118651874911
123b1196a5ba
131ba9508a4c
14da164d4d0
157d7c1a91a
hex4b703a8de

20250339550 has 48 divisors (see below), whose sum is σ = 43652777472. Its totient is φ = 6845176800.

The previous prime is 20250339541. The next prime is 20250339589. The reversal of 20250339550 is 5593305202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382602 + ... + 432301.

It is an arithmetic number, because the mean of its divisors is an integer number (909432864).

Almost surely, 220250339550 is an apocalyptic number.

20250339550 is an abundant number, since it is smaller than the sum of its proper divisors (23402437922).

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

20250339550 is a wasteful number, since it uses less digits than its factorization.

20250339550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814993 (or 814988 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

The spelling of 20250339550 in words is "twenty billion, two hundred fifty million, three hundred thirty-nine thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 71 142 175 350 355 497 710 994 1775 2485 3550 4970 12425 24850 814903 1629806 4074515 5704321 8149030 11408642 20372575 28521605 40745150 57043210 57858113 115716226 142608025 285216050 289290565 405006791 578581130 810013582 1446452825 2025033955 2892905650 4050067910 10125169775 20250339550