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30668770413 = 3227491239593
BaseRepresentation
bin11100100100000000…
…000100110001101101
32221011100200221220200
4130210000010301231
51000302201123123
622031122104113
72134000150551
oct344400046155
987140627820
1030668770413
11120087a3156
125b3aaab039
132b79abb938
1416ad1b3861
15be76cd143
hex724004c6d

30668770413 has 12 divisors (see below), whose sum is σ = 44315485500. Its totient is φ = 20438392896.

The previous prime is 30668770399. The next prime is 30668770529. The reversal of 30668770413 is 31407786603.

30668770413 is a `hidden beast` number, since 30 + 66 + 87 + 70 + 413 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14863754889 + 15805015524 = 121917^2 + 125718^2 .

It is not a de Polignac number, because 30668770413 - 24 = 30668770397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30668770813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 595056 + ... + 644537.

It is an arithmetic number, because the mean of its divisors is an integer number (3692957125).

Almost surely, 230668770413 is an apocalyptic number.

It is an amenable number.

30668770413 is a deficient number, since it is larger than the sum of its proper divisors (13646715087).

30668770413 is a wasteful number, since it uses less digits than its factorization.

30668770413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242348 (or 1242345 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 30668770413 in words is "thirty billion, six hundred sixty-eight million, seven hundred seventy thousand, four hundred thirteen".

Divisors: 1 3 9 2749 8247 24741 1239593 3718779 11156337 3407641157 10222923471 30668770413