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30230055055 = 537223732761
BaseRepresentation
bin11100001001110110…
…100000100010001111
32220000210011220120201
4130021312200202033
5443402343230210
621515410554331
72120062141204
oct341166404217
986023156521
1030230055055
1111903094882
125a37b989a7
132b09c43455
14166ac11cab
15bbde1d53a
hex709da088f

30230055055 has 16 divisors (see below), whose sum is σ = 37423620864. Its totient is φ = 23424871680.

The previous prime is 30230055047. The next prime is 30230055181. The reversal of 30230055055 is 55055003203.

It is not a de Polignac number, because 30230055055 - 23 = 30230055047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325126 + ... + 407635.

It is an arithmetic number, because the mean of its divisors is an integer number (2338976304).

Almost surely, 230230055055 is an apocalyptic number.

30230055055 is a deficient number, since it is larger than the sum of its proper divisors (7193565809).

30230055055 is a wasteful number, since it uses less digits than its factorization.

30230055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733026.

The product of its (nonzero) digits is 11250, while the sum is 28.

Adding to 30230055055 its reverse (55055003203), we get a palindrome (85285058258).

The spelling of 30230055055 in words is "thirty billion, two hundred thirty million, fifty-five thousand, fifty-five".

Divisors: 1 5 37 185 223 1115 8251 41255 732761 3663805 27112157 135560785 163405703 817028515 6046011011 30230055055