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13021022212 = 22111019772999
BaseRepresentation
bin11000010000001110…
…10000100000000100
31020121110100110111221
430020013100200010
5203131340202322
65552021410124
7640446601612
oct141007204004
936543313457
1013021022212
115582033790
122634869944
1312c6852493
148b747c6b2
155132059c7
hex3081d0804

13021022212 has 48 divisors (see below), whose sum is σ = 25138512000. Its totient is φ = 5852096000.

The previous prime is 13021022207. The next prime is 13021022213. The reversal of 13021022212 is 21222012031.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13021022213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4340289 + ... + 4343287.

It is an arithmetic number, because the mean of its divisors is an integer number (523719000).

Almost surely, 213021022212 is an apocalyptic number.

It is an amenable number.

13021022212 is a deficient number, since it is larger than the sum of its proper divisors (12117489788).

13021022212 is a wasteful number, since it uses less digits than its factorization.

13021022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092 (or 4090 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13021022212 its reverse (21222012031), we get a palindrome (34243034243).

The spelling of 13021022212 in words is "thirteen billion, twenty-one million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 101 202 404 977 1111 1954 2222 2999 3908 4444 5998 10747 11996 21494 32989 42988 65978 98677 131956 197354 302899 394708 605798 1085447 1211596 2170894 2930023 3331889 4341788 5860046 6663778 11720092 13327556 32230253 64460506 128921012 295932323 591864646 1183729292 3255255553 6510511106 13021022212