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30120100011 = 3215133166959
BaseRepresentation
bin11100000011010011…
…000100000010101011
32212202010021121121200
4130003103010002223
5443141221200021
621500442135243
72114255424441
oct340323040253
985663247550
1030120100011
1111857013a41
125a071b1523
132ac02256b1
14165a38cb91
15bb444e126
hex7034c40ab

30120100011 has 24 divisors (see below), whose sum is σ = 43927902720. Its totient is φ = 19886526000.

The previous prime is 30120099983. The next prime is 30120100063. The reversal of 30120100011 is 11000102103.

It is not a de Polignac number, because 30120100011 - 223 = 30111711403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30120099966 and 30120100002.

It is not an unprimeable number, because it can be changed into a prime (30120100211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416350 + ... + 483308.

It is an arithmetic number, because the mean of its divisors is an integer number (1830329280).

Almost surely, 230120100011 is an apocalyptic number.

30120100011 is a deficient number, since it is larger than the sum of its proper divisors (13807802709).

30120100011 is a wasteful number, since it uses less digits than its factorization.

30120100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67447 (or 67444 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 30120100011 its reverse (11000102103), we get a palindrome (41120202114).

The spelling of 30120100011 in words is "thirty billion, one hundred twenty million, one hundred thousand, eleven".

Divisors: 1 3 9 151 331 453 993 1359 2979 49981 66959 149943 200877 449829 602631 10110809 22163429 30332427 66490287 90997281 199470861 3346677779 10040033337 30120100011