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30381066622951 = 11322825745021
BaseRepresentation
bin1101110100001101001001…
…01011110001011111100111
310222120101211202202220211221
412322012210223301133213
512440230411023413301
6144340511435241211
76253650103264222
oct672064453613747
9128511752686757
1030381066622951
1197535a1092000
1234a80798a9207
1313c4bcb3684b5
14770646b985b9
1537a4343e7da1
hex1ba1a4af17e7

30381066622951 has 8 divisors (see below), whose sum is σ = 33416890712208. Its totient is φ = 27619151474200.

The previous prime is 30381066622891. The next prime is 30381066622979. The reversal of 30381066622951 is 15922666018303.

It is not a de Polignac number, because 30381066622951 - 217 = 30381066491879 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 (30381066628951) 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, 11412871180 + ... + 11412873841.

It is an arithmetic number, because the mean of its divisors is an integer number (4177111339026).

Almost surely, 230381066622951 is an apocalyptic number.

30381066622951 is a deficient number, since it is larger than the sum of its proper divisors (3035824089257).

30381066622951 is an equidigital number, since it uses as much as digits as its factorization.

30381066622951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22825745054 (or 22825745032 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 30381066622951 in words is "thirty trillion, three hundred eighty-one billion, sixty-six million, six hundred twenty-two thousand, nine hundred fifty-one".

Divisors: 1 11 121 1331 22825745021 251083195231 2761915147541 30381066622951