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20793283890100 = 2252853924350959
BaseRepresentation
bin1001011101001010100000…
…10011001100101110110100
32201121211002201001111212021
410232211100103030232310
510211134121133440400
6112120145221002524
74244156646566401
oct456452023145664
981554081044767
1020793283890100
116697422748a87
1223b9a64853444
13b7aa4ba04687
1451c5866452a8
15260d3373971a
hex12e9504ccbb4

20793283890100 has 36 divisors (see below), whose sum is σ = 45126712052800. Its totient is φ = 8316339176160.

The previous prime is 20793283890097. The next prime is 20793283890131. The reversal of 20793283890100 is 109838239702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11321580 + ... + 13029379.

Almost surely, 220793283890100 is an apocalyptic number.

20793283890100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20793283890100 is an abundant number, since it is smaller than the sum of its proper divisors (24333428162700).

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

20793283890100 is a wasteful number, since it uses less digits than its factorization.

20793283890100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24359512 (or 24359505 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 20793283890100 in words is "twenty trillion, seven hundred ninety-three billion, two hundred eighty-three million, eight hundred ninety thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 8539 17078 34156 42695 85390 170780 213475 426950 853900 24350959 48701918 97403836 121754795 243509590 487019180 608773975 1217547950 2435095900 207932838901 415865677802 831731355604 1039664194505 2079328389010 4158656778020 5198320972525 10396641945050 20793283890100