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30211120134 = 23213947136333
BaseRepresentation
bin11100001000101110…
…010001110000000110
32212222110112220202100
4130020232101300012
5443333021321014
621513453052530
72116442166306
oct341056216006
985873486670
1030211120134
11118a3431788
125a31787146
132b06043a60
1416684c3606
15bbc42d009
hex708b91c06

30211120134 has 48 divisors (see below), whose sum is σ = 70567569072. Its totient is φ = 9285845184.

The previous prime is 30211120099. The next prime is 30211120141. The reversal of 30211120134 is 43102111203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153432 + ... + 289764.

It is an arithmetic number, because the mean of its divisors is an integer number (1470157689).

Almost surely, 230211120134 is an apocalyptic number.

30211120134 is an abundant number, since it is smaller than the sum of its proper divisors (40356448938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30211120134 is a wasteful number, since it uses less digits than its factorization.

30211120134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137301 (or 137298 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30211120134 its reverse (43102111203), we get a palindrome (73313231337).

The spelling of 30211120134 in words is "thirty billion, two hundred eleven million, one hundred twenty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 947 1894 2841 5682 8523 12311 17046 24622 36933 73866 110799 136333 221598 272666 408999 817998 1226997 1772329 2453994 3544658 5316987 10633974 15950961 31901922 129107351 258214702 387322053 774644106 1161966159 1678395563 2323932318 3356791126 5035186689 10070373378 15105560067 30211120134