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20211210001010 = 2572197732808427
BaseRepresentation
bin1001001100001110010011…
…11111100001101001110010
32122120011122222100020121202
410212013021333201221302
510122120024230013020
6110552522433251202
74154132424301400
oct446071177415162
978504588306552
1020211210001010
11649258715a986
122325099403b02
13b37ba7ba69b2
144dc329076470
15250b1752be75
hex1261c9fe1a72

20211210001010 has 96 divisors (see below), whose sum is σ = 44604801541440. Its totient is φ = 6556349132928.

The previous prime is 20211210001001. The next prime is 20211210001043. The reversal of 20211210001010 is 1010001211202.

It is a junction number, because it is equal to n+sod(n) for n = 20211210000982 and 20211210001000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5792417 + ... + 8600843.

It is an arithmetic number, because the mean of its divisors is an integer number (464633349390).

Almost surely, 220211210001010 is an apocalyptic number.

20211210001010 is an abundant number, since it is smaller than the sum of its proper divisors (24393591540430).

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

20211210001010 is a wasteful number, since it uses less digits than its factorization.

20211210001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809240 (or 2809233 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20211210001010 its reverse (1010001211202), we get a palindrome (21221211212212).

The spelling of 20211210001010 in words is "twenty trillion, two hundred eleven billion, two hundred ten million, one thousand, ten".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 490 665 773 931 1330 1546 1862 3865 4655 5411 7730 9310 10822 14687 27055 29374 37877 54110 73435 75754 102809 146870 189385 205618 378770 514045 719663 1028090 1439326 2808427 3598315 5616854 7196630 14042135 19658989 28084270 39317978 53360113 98294945 106720226 137612923 196589890 266800565 275225846 373520791 533601130 688064615 747041582 1376129230 1867603955 2170914071 2614645537 3735207910 4341828142 5229291074 10854570355 13073227685 15196398497 21709140710 26146455370 30392796994 41247367349 75981992485 82494734698 106374789479 151963984970 206236836745 212749578958 288731571443 412473673490 531873947395 577463142886 1063747894790 1443657857215 2021121000101 2887315714430 4042242000202 10105605000505 20211210001010