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20210122201010 = 2575321737379
BaseRepresentation
bin1001001100001100010010…
…01001111001011110110010
32122120001212011110021112212
410212012021021321132302
510122110312240413020
6110552222454052122
74154063445200000
oct446061111713662
978501764407485
1020210122201010
116492079118715
122324a3504a042
13b37a63708061
144dc2647d1a70
15250aa1ca5cc5
hex1261892797b2

20210122201010 has 96 divisors (see below), whose sum is σ = 42455224344960. Its totient is φ = 6926845508352.

The previous prime is 20210122201001. The next prime is 20210122201013. The reversal of 20210122201010 is 1010222101202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20210122201013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 540662501 + ... + 540699879.

It is an arithmetic number, because the mean of its divisors is an integer number (442241920260).

Almost surely, 220210122201010 is an apocalyptic number.

20210122201010 is an abundant number, since it is smaller than the sum of its proper divisors (22245102143950).

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

20210122201010 is an frugal number, since it uses more digits than its factorization.

20210122201010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40638 (or 40610 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20210122201010 its reverse (1010222101202), we get a palindrome (21220344302212).

The spelling of 20210122201010 in words is "twenty trillion, two hundred ten billion, one hundred twenty-two million, two hundred one thousand, ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 343 490 686 1715 2401 3217 3430 4802 6434 12005 16085 16807 22519 24010 32170 33614 37379 45038 74758 84035 112595 157633 168070 186895 225190 261653 315266 373790 523306 788165 1103431 1308265 1576330 1831571 2206862 2616530 3663142 5517155 7724017 9157855 11034310 12820997 15448034 18315710 25641994 38620085 54068119 64104985 77240170 89746979 108136238 120248243 128209970 179493958 240496486 270340595 448734895 540681190 601241215 628228853 841737701 897469790 1202482430 1256457706 1683475402 3141144265 4208688505 5892163907 6282288530 8417377010 11784327814 29460819535 41245147349 58921639070 82490294698 206225736745 288716031443 412451473490 577432062886 1443580157215 2021012220101 2887160314430 4042024440202 10105061100505 20210122201010