Search a number
-
+
22313212130021 = 23137197169921157
BaseRepresentation
bin1010001001011001100110…
…00101010011001011100101
32221000010022010012010111212
411010230303011103023211
510411034424301130041
6115242314222041205
74462035124504661
oct504546305231345
987003263163455
1022313212130021
117122a865a7a3a
122604549719205
13c5b18598bc07
14571d728378a1
1528a6403c78eb
hex144b331532e5

22313212130021 has 32 divisors (see below), whose sum is σ = 23587344633600. Its totient is φ = 21066331055616.

The previous prime is 22313212130003. The next prime is 22313212130047. The reversal of 22313212130021 is 12003121231322.

It is a cyclic number.

It is not a de Polignac number, because 22313212130021 - 214 = 22313212113637 is a prime.

It is a super-3 number, since 3×223132121300213 (a number of 41 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313212430021) 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, 1054638575 + ... + 1054659731.

It is an arithmetic number, because the mean of its divisors is an integer number (737104519800).

Almost surely, 222313212130021 is an apocalyptic number.

It is an amenable number.

22313212130021 is a deficient number, since it is larger than the sum of its proper divisors (1274132503579).

22313212130021 is a wasteful number, since it uses less digits than its factorization.

22313212130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23213.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22313212130021 its reverse (12003121231322), we get a palindrome (34316333361343).

The spelling of 22313212130021 in words is "twenty-two trillion, three hundred thirteen billion, two hundred twelve million, one hundred thirty thousand, twenty-one".

Divisors: 1 23 137 197 1699 3151 4531 21157 26989 39077 232763 334703 486611 620747 2898509 4167929 5353549 7698169 35945743 45854311 66665707 95862367 571006273 826752089 1054649153 4924566791 7081311371 13133144279 113265036193 162870161533 970139657827 22313212130021