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30127272103 = 64373468011
BaseRepresentation
bin11100000011101110…
…011011000010100111
32212202121202222212201
4130003232123002213
5443200040201403
621501255555331
72114403405355
oct340356330247
985677688781
1030127272103
1111860072495
125a0968bb47
132ac1867036
14165b2d87d5
15bb4db921d
hex703b9b0a7

30127272103 has 4 divisors (see below), whose sum is σ = 30127804488. Its totient is φ = 30126739720.

The previous prime is 30127272067. The next prime is 30127272139.

It is a happy number.

30127272103 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30127272067) and next prime (30127272139).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30127272103 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30127276103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169633 + ... + 298378.

It is an arithmetic number, because the mean of its divisors is an integer number (7531951122).

Almost surely, 230127272103 is an apocalyptic number.

30127272103 is a deficient number, since it is larger than the sum of its proper divisors (532385).

30127272103 is an equidigital number, since it uses as much as digits as its factorization.

30127272103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532384.

The product of its (nonzero) digits is 3528, while the sum is 28.

The spelling of 30127272103 in words is "thirty billion, one hundred twenty-seven million, two hundred seventy-two thousand, one hundred three".

Divisors: 1 64373 468011 30127272103