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20235812352 = 29371882051
BaseRepresentation
bin10010110110001001…
…011111111000000000
31221020021020202222120
4102312021133320000
5312420331443402
613143551404240
71314314365320
oct226611377000
957207222876
1020235812352
118644652368
123b08b23680
131ba64c0682
14d9d74b280
157d67eb3bc
hex4b625fe00

20235812352 has 80 divisors (see below), whose sum is σ = 61610854272. Its totient is φ = 5781657600.

The previous prime is 20235812347. The next prime is 20235812411. The reversal of 20235812352 is 25321853202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930274 + ... + 951777.

Almost surely, 220235812352 is an apocalyptic number.

It is an amenable number.

20235812352 is an abundant number, since it is smaller than the sum of its proper divisors (41375041920).

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

20235812352 is an equidigital number, since it uses as much as digits as its factorization.

20235812352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882079 (or 1882063 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 20235812352 in words is "twenty billion, two hundred thirty-five million, eight hundred twelve thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1344 1536 1792 2688 3584 5376 10752 1882051 3764102 5646153 7528204 11292306 13174357 15056408 22584612 26348714 30112816 39523071 45169224 52697428 60225632 79046142 90338448 105394856 120451264 158092284 180676896 210789712 240902528 316184568 361353792 421579424 481805056 632369136 722707584 843158848 963610112 1264738272 1445415168 1686317696 2529476544 2890830336 3372635392 5058953088 6745270784 10117906176 20235812352