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20248167450 = 23527103187223
BaseRepresentation
bin10010110110111000…
…101000010000011010
31221021010111110222210
4102312320220100122
5312432012324300
613145112255550
71314524404110
oct226670502032
957233443883
1020248167450
118650620995
123b110a15b6
131ba8c28194
14da1245ab0
157d793c050
hex4b6e2841a

20248167450 has 96 divisors (see below), whose sum is σ = 57946576896. Its totient is φ = 4583194560.

The previous prime is 20248167449. The next prime is 20248167479. The reversal of 20248167450 is 5476184202.

It is a junction number, because it is equal to n+sod(n) for n = 20248167399 and 20248167408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14539 + ... + 201761.

It is an arithmetic number, because the mean of its divisors is an integer number (603610176).

Almost surely, 220248167450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20248167450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28973288448).

20248167450 is an abundant number, since it is smaller than the sum of its proper divisors (37698409446).

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

20248167450 is a wasteful number, since it uses less digits than its factorization.

20248167450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187348 (or 187343 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 20248167450 in words is "twenty billion, two hundred forty-eight million, one hundred sixty-seven thousand, four hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 103 105 150 175 206 210 309 350 515 525 618 721 1030 1050 1442 1545 2163 2575 3090 3605 4326 5150 7210 7725 10815 15450 18025 21630 36050 54075 108150 187223 374446 561669 936115 1123338 1310561 1872230 2621122 2808345 3931683 4680575 5616690 6552805 7863366 9361150 13105610 14041725 19283969 19658415 28083450 32764025 38567938 39316830 57851907 65528050 96419845 98292075 115703814 134987783 192839690 196584150 269975566 289259535 404963349 482099225 578519070 674938915 809926698 964198450 1349877830 1446297675 2024816745 2892595350 3374694575 4049633490 6749389150 10124083725 20248167450