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30106067121 = 3413214832
BaseRepresentation
bin11100000010011101…
…100010000010110001
32212201010212200010000
4130002131202002301
5443124123121441
621455221300213
72114025230304
oct340235420261
985633780100
1030106067121
111184a0a9909
125a02564669
132aba351300
141658578b3b
15bb30cb2b6
hex7027620b1

30106067121 has 45 divisors (see below), whose sum is σ = 48731716539. Its totient is φ = 18514317744.

The previous prime is 30106067099. The next prime is 30106067141. The reversal of 30106067121 is 12176060103.

The square root of 30106067121 is 173511.

It is a perfect power (a square), and thus also a powerful number.

30106067121 is a `hidden beast` number, since 30 + 1 + 0 + 606 + 7 + 1 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4453560225 + 25652506896 = 66735^2 + 160164^2 .

It is not a de Polignac number, because 30106067121 - 27 = 30106066993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30106067141) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 20300046 + ... + 20301528.

Almost surely, 230106067121 is an apocalyptic number.

30106067121 is the 173511-st square number.

30106067121 is the 86756-th centered octagonal number.

It is an amenable number.

30106067121 is a deficient number, since it is larger than the sum of its proper divisors (18625649418).

30106067121 is an frugal number, since it uses more digits than its factorization.

30106067121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 30106067121 in words is "thirty billion, one hundred six million, sixty-seven thousand, one hundred twenty-one".

Divisors: 1 3 9 13 27 39 81 117 169 351 507 1053 1483 1521 4449 4563 13347 13689 19279 40041 57837 120123 173511 250627 520533 751881 1561599 2199289 2255643 6597867 6766929 19793601 20300787 28590757 59380803 85772271 178142409 257316813 371679841 771950439 1115039523 2315851317 3345118569 10035355707 30106067121