Search a number
-
+
3121445004002 = 2131923274726721
BaseRepresentation
bin101101011011000100100…
…111101110001011100010
3102001101222212110200210022
4231123010213232023202
5402120204410112002
610345545543233442
7441342213521123
oct55330447561342
912041885420708
103121445004002
11aa3885368786
12424b59748882
131984741c2110
14ab11610804a
15562e14cdba2
hex2d6c49ee2e2

3121445004002 has 32 divisors (see below), whose sum is σ = 5538490715520. Its totient is φ = 1305501373440.

The previous prime is 3121445003987. The next prime is 3121445004031. The reversal of 3121445004002 is 2004005441213.

It is a super-3 number, since 3×31214450040023 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137351999 + ... + 137374722.

It is an arithmetic number, because the mean of its divisors is an integer number (173077834860).

Almost surely, 23121445004002 is an apocalyptic number.

3121445004002 is a deficient number, since it is larger than the sum of its proper divisors (2417045711518).

3121445004002 is a wasteful number, since it uses less digits than its factorization.

3121445004002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274726778.

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 3121445004002 in words is "three trillion, one hundred twenty-one billion, four hundred forty-five million, four thousand, two".

Divisors: 1 2 13 19 23 26 38 46 247 299 437 494 598 874 5681 11362 274726721 549453442 3571447373 5219807699 6318714583 7142894746 10439615398 12637429166 67857500087 82143289579 120055577077 135715000174 164286579158 240111154154 1560722502001 3121445004002