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3121020043214 = 223281241452889
BaseRepresentation
bin101101011010101011010…
…010100111111111001110
3102001100220020211110011212
4231122223102213333032
5402113322112340324
610345435443014422
7441325533436313
oct55325322477716
912040806743155
103121020043214
11aa36874a4417
12424a5b36a412
13198407151428
14ab0b58c6d0a
15562b903970e
hex2d6ab4a7fce

3121020043214 has 16 divisors (see below), whose sum is σ = 4902459478560. Its totient is φ = 1487349790080.

The previous prime is 3121020043187. The next prime is 3121020043223. The reversal of 3121020043214 is 4123400201213.

It is a super-2 number, since 2×31210200432142 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 3121020043214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120713519 + ... + 120739370.

It is an arithmetic number, because the mean of its divisors is an integer number (306403717410).

Almost surely, 23121020043214 is an apocalyptic number.

3121020043214 is a deficient number, since it is larger than the sum of its proper divisors (1781439435346).

3121020043214 is a wasteful number, since it uses less digits than its factorization.

3121020043214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241453195.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 3121020043214 its reverse (4123400201213), we get a palindrome (7244420244427).

The spelling of 3121020043214 in words is "three trillion, one hundred twenty-one billion, twenty million, forty-three thousand, two hundred fourteen".

Divisors: 1 2 23 46 281 562 6463 12926 241452889 482905778 5553416447 11106832894 67848261809 135696523618 1560510021607 3121020043214