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20673052007100 = 22352265925915823
BaseRepresentation
bin1001011001101010100011…
…11010111101101010111100
32201012022202112120000200120
410230311101322331222330
510202201402303211400
6111545022522254540
74232402333466303
oct454652172755274
981168675500616
1020673052007100
116650434a04819
12239a6ab357450
13b6c5ca77bc3c
1451681c5bb43a
1525cb4822cca0
hex12cd51ebdabc

20673052007100 has 72 divisors (see below), whose sum is σ = 59836527717120. Its totient is φ = 5510740390080.

The previous prime is 20673052007081. The next prime is 20673052007117. The reversal of 20673052007100 is 170025037602.

It is a super-2 number, since 2×206730520071002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12160212 + ... + 13755611.

It is an arithmetic number, because the mean of its divisors is an integer number (831062884960).

Almost surely, 220673052007100 is an apocalyptic number.

20673052007100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20673052007100 is an abundant number, since it is smaller than the sum of its proper divisors (39163475710020).

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

20673052007100 is a wasteful number, since it uses less digits than its factorization.

20673052007100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25918499 (or 25918492 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 20673052007100 in words is "twenty trillion, six hundred seventy-three billion, fifty-two million, seven thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 2659 5318 7977 10636 13295 15954 26590 31908 39885 53180 66475 79770 132950 159540 199425 265900 398850 797700 25915823 51831646 77747469 103663292 129579115 155494938 259158230 310989876 388737345 518316460 647895575 777474690 1295791150 1554949380 1943686725 2591582300 3887373450 7774746900 68910173357 137820346714 206730520071 275640693428 344550866785 413461040142 689101733570 826922080284 1033652600355 1378203467140 1722754333925 2067305200710 3445508667850 4134610401420 5168263001775 6891017335700 10336526003550 20673052007100