Search a number
-
+
3100021221211 = 172346391118797
BaseRepresentation
bin101101000111000111101…
…010011110011101011011
3101222100200210211202201121
4231013013222132131123
5401242320413034321
610332044033230111
7436653262416025
oct55070752363533
911870623752647
103100021221211
11a95791186672
1242097aa02337
1319643b85c875
14aa082abd015
155598a771441
hex2d1c7a9e75b

3100021221211 has 32 divisors (see below), whose sum is σ = 3436435611648. Its totient is φ = 2781579440640.

The previous prime is 3100021221169. The next prime is 3100021221259. The reversal of 3100021221211 is 1121221200013.

It is a cyclic number.

It is not a de Polignac number, because 3100021221211 - 213 = 3100021213019 is a prime.

It is a super-2 number, since 2×31000212212112 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3100021221611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164911665 + ... + 164930461.

It is an arithmetic number, because the mean of its divisors is an integer number (107388612864).

Almost surely, 23100021221211 is an apocalyptic number.

3100021221211 is a deficient number, since it is larger than the sum of its proper divisors (336414390437).

3100021221211 is a wasteful number, since it uses less digits than its factorization.

3100021221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20211.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 3100021221211 its reverse (1121221200013), we get a palindrome (4221242421224).

The spelling of 3100021221211 in words is "three trillion, one hundred billion, twenty-one million, two hundred twenty-one thousand, two hundred eleven".

Divisors: 1 17 23 391 463 911 7871 10649 15487 18797 20953 181033 319549 356201 421793 432331 7170481 7349627 8703011 9701239 17124067 147951187 164921063 200169253 291109139 393853541 3402877301 6695510197 7928443021 134783531357 182354189483 3100021221211