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20013061402100 = 22521388317434499
BaseRepresentation
bin1001000110011101001110…
…11010100110110111110100
32121212020012122210110222002
410203032213122212313310
510110343222204331400
6110321512401154432
74133616214063244
oct443164732466764
977766178713862
1020013061402100
116416545470828
1222b27b992ba18
13b222ba303930
144d28ccc0bb24
1524a8bb8b5ed5
hex1233a76a6df4

20013061402100 has 72 divisors (see below), whose sum is σ = 46821953724000. Its totient is φ = 7381069073280.

The previous prime is 20013061402091. The next prime is 20013061402121. The reversal of 20013061402100 is 120416031002.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 7569350 + ... + 9865149.

Almost surely, 220013061402100 is an apocalyptic number.

20013061402100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013061402100 is an abundant number, since it is smaller than the sum of its proper divisors (26808892321900).

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

20013061402100 is a wasteful number, since it uses less digits than its factorization.

20013061402100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17435409 (or 17435402 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20013061402100 its reverse (120416031002), we get a palindrome (20133477433102).

The spelling of 20013061402100 in words is "twenty trillion, thirteen billion, sixty-one million, four hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 883 1300 1766 3532 4415 8830 11479 17660 22075 22958 44150 45916 57395 88300 114790 229580 286975 573950 1147900 17434499 34868998 69737996 87172495 174344990 226648487 348689980 435862475 453296974 871724950 906593948 1133242435 1743449900 2266484870 4532969740 5666212175 11332424350 15394662617 22664848700 30789325234 61578650468 76973313085 153946626170 200130614021 307893252340 384866565425 400261228042 769733130850 800522456084 1000653070105 1539466261700 2001306140210 4002612280420 5003265350525 10006530701050 20013061402100