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30121255326 = 2331631587167
BaseRepresentation
bin11100000011010111…
…011110000110011110
32212202012110022102010
4130003113132012132
5443142020132301
621500523012050
72114301305631
oct340327360636
985665408363
1030121255326
1111857732a48
125a0766a026
132ac053b506
14165a5adc18
15bb45cb5d6
hex7035de19e

30121255326 has 16 divisors (see below), whose sum is σ = 60261594624. Its totient is φ = 10037237784.

The previous prime is 30121255301. The next prime is 30121255387. The reversal of 30121255326 is 62355212103.

30121255326 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 30121255293 and 30121255302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774606 + ... + 812561.

It is an arithmetic number, because the mean of its divisors is an integer number (3766349664).

Almost surely, 230121255326 is an apocalyptic number.

30121255326 is an abundant number, since it is smaller than the sum of its proper divisors (30140339298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30121255326 is a wasteful number, since it uses less digits than its factorization.

30121255326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590335.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 30121255326 its reverse (62355212103), we get a palindrome (92476467429).

The spelling of 30121255326 in words is "thirty billion, one hundred twenty-one million, two hundred fifty-five thousand, three hundred twenty-six".

Divisors: 1 2 3 6 3163 6326 9489 18978 1587167 3174334 4761501 9523002 5020209221 10040418442 15060627663 30121255326