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3013120123 = 133743145681
BaseRepresentation
bin1011001110011000…
…1001000001111011
321202222201100202121
42303212021001323
522132324320443
61214553342111
7134445045526
oct26346110173
97688640677
103013120123
111306911822
12701107937
13390329320
1420825dbbd
151297d64ed
hexb398907b

3013120123 has 16 divisors (see below), whose sum is σ = 3410124256. Its totient is φ = 2643217920.

The previous prime is 3013120109. The next prime is 3013120141. The reversal of 3013120123 is 3210213103.

3013120123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3013120123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3013120097 and 3013120106.

It is not an unprimeable number, because it can be changed into a prime (3013120153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52158 + ... + 93523.

It is an arithmetic number, because the mean of its divisors is an integer number (213132766).

Almost surely, 23013120123 is an apocalyptic number.

3013120123 is a deficient number, since it is larger than the sum of its proper divisors (397004133).

3013120123 is a wasteful number, since it uses less digits than its factorization.

3013120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145774.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3013120123 is about 54891.8948752910. The cubic root of 3013120123 is about 1444.3490118118.

Adding to 3013120123 its reverse (3210213103), we get a palindrome (6223333226).

The spelling of 3013120123 in words is "three billion, thirteen million, one hundred twenty thousand, one hundred twenty-three".

Divisors: 1 13 37 43 481 559 1591 20683 145681 1893853 5390197 6264283 70072561 81435679 231778471 3013120123