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20590117022904 = 233111347127647901
BaseRepresentation
bin1001010111010000000101…
…00111000110110010111000
32200220101200122202022021020
410223220002213012302320
510144322024424213104
6111442545201542440
74223405202656412
oct453500247066270
980811618668236
1020590117022904
116619246304670
122386604644a20
13b648415778b0
145127d1b219b2
1525a8e225e2d9
hex12ba029c6cb8

20590117022904 has 128 divisors (see below), whose sum is σ = 61761160903680. Its totient is φ = 5636931264000.

The previous prime is 20590117022899. The next prime is 20590117022939. The reversal of 20590117022904 is 40922071109502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63662647 + ... + 63985254.

It is an arithmetic number, because the mean of its divisors is an integer number (482509069560).

Almost surely, 220590117022904 is an apocalyptic number.

20590117022904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20590117022904 is an abundant number, since it is smaller than the sum of its proper divisors (41171043880776).

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

20590117022904 is a wasteful number, since it uses less digits than its factorization.

20590117022904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127647981 (or 127647977 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 20590117022904 in words is "twenty trillion, five hundred ninety billion, one hundred seventeen million, twenty-two thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 47 52 66 78 88 94 104 132 141 143 156 188 264 282 286 312 376 429 517 564 572 611 858 1034 1128 1144 1222 1551 1716 1833 2068 2444 3102 3432 3666 4136 4888 6204 6721 7332 12408 13442 14664 20163 26884 40326 53768 80652 161304 127647901 255295802 382943703 510591604 765887406 1021183208 1404126911 1531774812 1659422713 2808253822 3063549624 3318845426 4212380733 4978268139 5616507644 5999451347 6637690852 8424761466 9956536278 11233015288 11998902694 13275381704 16849522932 17998354041 18253649843 19913072556 23997805388 33699045864 35996708082 36507299686 39826145112 47995610776 54760949529 65993964817 71993416164 73014599372 77992867511 109521899058 131987929634 143986832328 146029198744 155985735022 197981894451 219043798116 233978602533 263975859268 311971470044 395963788902 438087596232 467957205066 527951718536 623942940088 791927577804 857921542621 935914410132 1583855155608 1715843085242 1871828820264 2573764627863 3431686170484 5147529255726 6863372340968 10295058511452 20590117022904