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30031133123013 = 31123101409957823
BaseRepresentation
bin1101101010000001010110…
…00001011010000111000101
310221022221121022011021102020
412311000223001122013011
512414012230034414023
6143512040114033353
76216451321514541
oct665005301320705
9127287538137366
1030031133123013
11962914a813190
123450299878859
13139ac014b1629
1475b72c0b6a21
153712a312cde3
hex1b502b05a1c5

30031133123013 has 64 divisors (see below), whose sum is σ = 46144742031360. Its totient is φ = 17194820544000.

The previous prime is 30031133122973. The next prime is 30031133123041. The reversal of 30031133123013 is 31032133113003.

It is not a de Polignac number, because 30031133123013 - 228 = 30030864687557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031133123213) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 30874620 + ... + 31832442.

It is an arithmetic number, because the mean of its divisors is an integer number (721011594240).

Almost surely, 230031133123013 is an apocalyptic number.

30031133123013 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30031133123013 is a deficient number, since it is larger than the sum of its proper divisors (16113608908347).

30031133123013 is a wasteful number, since it uses less digits than its factorization.

30031133123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958370.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 30031133123013 its reverse (31032133113003), we get a palindrome (61063266236016).

The spelling of 30031133123013 in words is "thirty trillion, thirty-one billion, one hundred thirty-three million, one hundred twenty-three thousand, thirteen".

Divisors: 1 3 11 23 33 69 101 253 303 409 759 1111 1227 2323 3333 4499 6969 9407 13497 25553 28221 41309 76659 103477 123927 310431 454399 950107 957823 1363197 2850321 2873469 10451177 10536053 22029929 31353531 31608159 66089787 96740123 242329219 290220369 391749607 726987657 1064141353 1175248821 2225022829 3192424059 4309245677 6675068487 9010240961 12927737031 24475251119 27030722883 39566710307 73425753357 99112650571 118700130921 297337951713 435233813377 910034337061 1305701440131 2730103011183 10010377707671 30031133123013