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30120402232311 = 344997122312847
BaseRepresentation
bin1101101100100111100111…
…11000000010001111110111
310221122111000121201212222120
412312103303320002033313
512421443040432413221
6144021042144531023
76226061434441446
oct666236370021767
9127574017655876
1030120402232311
119662a99906276
123465651920a73
1313a6459a69cb1
14761b99cb8d5d
1537377a2345c6
hex1b64f3e023f7

30120402232311 has 8 divisors (see below), whose sum is σ = 40160627361024. Its totient is φ = 20080222629240.

The previous prime is 30120402232309. The next prime is 30120402232331. The reversal of 30120402232311 is 11323220402103.

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

It is not a de Polignac number, because 30120402232311 - 21 = 30120402232309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120402232331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9806511 + ... + 12506336.

It is an arithmetic number, because the mean of its divisors is an integer number (5020078420128).

Almost surely, 230120402232311 is an apocalyptic number.

30120402232311 is a deficient number, since it is larger than the sum of its proper divisors (10040225128713).

30120402232311 is a wasteful number, since it uses less digits than its factorization.

30120402232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22762821.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30120402232311 its reverse (11323220402103), we get a palindrome (41443622634414).

The spelling of 30120402232311 in words is "thirty trillion, one hundred twenty billion, four hundred two million, two hundred thirty-two thousand, three hundred eleven".

Divisors: 1 3 449971 1349913 22312847 66938541 10040134077437 30120402232311