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20372365250 = 253195380923
BaseRepresentation
bin10010111110010010…
…011001111111000010
31221120210012101100022
4102332102121333002
5313210311142000
613205310253442
71320563150606
oct227622317702
957523171308
1020372365250
11870473a5a6
123b467b7282
131bc88919c3
14db3935506
157e37c1585
hex4be499fc2

20372365250 has 64 divisors (see below), whose sum is σ = 40902226560. Its totient is φ = 7574299200.

The previous prime is 20372365249. The next prime is 20372365283. The reversal of 20372365250 is 5256327302.

It is a self number, because there is not a number n which added to its sum of digits gives 20372365250.

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 31 ways as a sum of consecutive naturals, for example, 211289 + ... + 292211.

It is an arithmetic number, because the mean of its divisors is an integer number (639097290).

Almost surely, 220372365250 is an apocalyptic number.

20372365250 is an abundant number, since it is smaller than the sum of its proper divisors (20529861310).

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

20372365250 is a wasteful number, since it uses less digits than its factorization.

20372365250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81012 (or 81002 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 20372365250 in words is "twenty billion, three hundred seventy-two million, three hundred sixty-five thousand, two hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 53 95 106 125 190 250 265 475 530 950 1007 1325 2014 2375 2650 4750 5035 6625 10070 13250 25175 50350 80923 125875 161846 251750 404615 809230 1537537 2023075 3075074 4046150 4288919 7687685 8577838 10115375 15375370 20230750 21444595 38438425 42889190 76876850 81489461 107222975 162978922 192192125 214445950 384384250 407447305 536114875 814894610 1072229750 2037236525 4074473050 10186182625 20372365250