Search a number
-
+
3154021123 = 1114911531669
BaseRepresentation
bin1011101111111110…
…1000101100000011
322010210211212121011
42323333220230003
522424412133443
61240545341351
7141105510601
oct27377505403
98123755534
103154021123
1113793a9830
12740337857
133b35907b6
1421cc5a871
15136d69b9d
hexbbfe8b03

3154021123 has 16 divisors (see below), whose sum is σ = 3468924000. Its totient is φ = 2843873280.

The previous prime is 3154021097. The next prime is 3154021139. The reversal of 3154021123 is 3211204513.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3154021123 is a prime.

It is a super-2 number, since 2×31540211232 = 19895698488660362258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3154021094 and 3154021103.

It is not an unprimeable number, because it can be changed into a prime (3154021153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888933 + ... + 1890601.

It is an arithmetic number, because the mean of its divisors is an integer number (216807750).

Almost surely, 23154021123 is an apocalyptic number.

3154021123 is a deficient number, since it is larger than the sum of its proper divisors (314902877).

3154021123 is a wasteful number, since it uses less digits than its factorization.

3154021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3154021123 is about 56160.6723873566. The cubic root of 3154021123 is about 1466.5207058661.

Adding to 3154021123 its reverse (3211204513), we get a palindrome (6365225636).

The spelling of 3154021123 in words is "three billion, one hundred fifty-four million, twenty-one thousand, one hundred twenty-three".

Divisors: 1 11 149 1153 1639 1669 12683 18359 171797 248681 1889767 1924357 2735491 21167927 286729193 3154021123