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30348184853 = 719251909091
BaseRepresentation
bin11100010000111001…
…001000110100010101
32220100000110112012102
4130100321020310111
5444123113403403
621535230531445
72123025213020
oct342071106425
986300415172
1030348184853
1111963839508
125a6b666b85
132b2856403c
14167c7a21b7
15bc94a4b88
hex710e48d15

30348184853 has 16 divisors (see below), whose sum is σ = 36654589440. Its totient is φ = 24545430000.

The previous prime is 30348184843. The next prime is 30348184873. The reversal of 30348184853 is 35848184303.

It is not a de Polignac number, because 30348184853 - 28 = 30348184597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30348184798 and 30348184807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30348184843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421163 + ... + 487928.

It is an arithmetic number, because the mean of its divisors is an integer number (2290911840).

Almost surely, 230348184853 is an apocalyptic number.

It is an amenable number.

30348184853 is a deficient number, since it is larger than the sum of its proper divisors (6306404587).

30348184853 is a wasteful number, since it uses less digits than its factorization.

30348184853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909368.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 30348184853 in words is "thirty billion, three hundred forty-eight million, one hundred eighty-four thousand, eight hundred fifty-three".

Divisors: 1 7 19 133 251 1757 4769 33383 909091 6363637 17272729 120909103 228181841 1597272887 4335454979 30348184853