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20212331203102 = 21729472631658387
BaseRepresentation
bin1001001100010000011001…
…10100100100101000011110
32122120021120010002012202011
410212020030310210220132
510122124323241444402
6110553230004421434
74154202260331223
oct446101464445036
978507503065664
1020212331203102
116493002036685
1223253509a787a
13b3802626bc9c
144dc3d3d3394a
15250b80b9eed7
hex12620cd24a1e

20212331203102 has 64 divisors (see below), whose sum is σ = 34044450232320. Its totient is φ = 8954116896256.

The previous prime is 20212331203091. The next prime is 20212331203117. The reversal of 20212331203102 is 20130213321202.

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, 11358753 + ... + 13017139.

It is an arithmetic number, because the mean of its divisors is an integer number (531944534880).

Almost surely, 220212331203102 is an apocalyptic number.

20212331203102 is a deficient number, since it is larger than the sum of its proper divisors (13832119029218).

20212331203102 is a wasteful number, since it uses less digits than its factorization.

20212331203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658745.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20212331203102 its reverse (20130213321202), we get a palindrome (40342544524304).

The spelling of 20212331203102 in words is "twenty trillion, two hundred twelve billion, three hundred thirty-one million, two hundred three thousand, one hundred two".

Divisors: 1 2 17 29 34 47 58 94 263 493 526 799 986 1363 1598 2726 4471 7627 8942 12361 15254 23171 24722 46342 129659 210137 259318 358469 420274 716938 1658387 3316774 6093973 12187946 28192579 48093223 56385158 77944189 96186446 155888378 436155781 817584791 872311562 1325051213 1635169582 2260381481 2650102426 4520762962 7414648277 12648517649 14829296554 20499321707 25297035298 38426485177 40998643414 76852970354 215024800033 348488469019 430049600066 594480329503 696976938038 1188960659006 10106165601551 20212331203102