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30031220122013 = 114657586238119
BaseRepresentation
bin1101101010000001100000…
…01101010010000110011101
310221022221211100212021121102
412311000300031102012131
512414012414322401023
6143512052502442445
76216453426141125
oct665006015220635
9127287740767542
1030031220122013
119629194934890
123450302a33425
13139ac16522626
1475b739881c85
153712aaab5628
hex1b503035219d

30031220122013 has 8 divisors (see below), whose sum is σ = 32768365955520. Its totient is φ = 27295246774080.

The previous prime is 30031220121953. The next prime is 30031220122049. The reversal of 30031220122013 is 31022102213003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30031220122013 - 220 = 30031219073437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031220122063) 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 7 ways as a sum of consecutive naturals, for example, 293067833 + ... + 293170286.

It is an arithmetic number, because the mean of its divisors is an integer number (4096045744440).

Almost surely, 230031220122013 is an apocalyptic number.

It is an amenable number.

30031220122013 is a deficient number, since it is larger than the sum of its proper divisors (2737145833507).

30031220122013 is a wasteful number, since it uses less digits than its factorization.

30031220122013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586242787.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30031220122013 its reverse (31022102213003), we get a palindrome (61053322335016).

The spelling of 30031220122013 in words is "thirty trillion, thirty-one billion, two hundred twenty million, one hundred twenty-two thousand, thirteen".

Divisors: 1 11 4657 51227 586238119 6448619309 2730110920183 30031220122013