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3100023413 = 19163159127
BaseRepresentation
bin1011100011000110…
…1001101001110101
322000001020111122222
42320301221221311
522322101222123
61231340132125
7136551523064
oct27061515165
98001214588
103100023413
111350978523
12726237045
133a53358a6
14215a021db
151322506c8
hexb8c69a75

3100023413 has 4 divisors (see below), whose sum is σ = 3263182560. Its totient is φ = 2936864268.

The previous prime is 3100023403. The next prime is 3100023473. The reversal of 3100023413 is 3143200013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3143200013 = 23511336963.

It is a cyclic number.

It is not a de Polignac number, because 3100023413 - 212 = 3100019317 is a prime.

It is a super-2 number, since 2×31000234132 = 19220290322296337138, 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 = 3100023391 and 3100023400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100023403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81579545 + ... + 81579582.

It is an arithmetic number, because the mean of its divisors is an integer number (815795640).

Almost surely, 23100023413 is an apocalyptic number.

It is an amenable number.

3100023413 is a deficient number, since it is larger than the sum of its proper divisors (163159147).

3100023413 is a wasteful number, since it uses less digits than its factorization.

3100023413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163159146.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 3100023413 is about 55677.8538828500. The cubic root of 3100023413 is about 1458.1034066228.

Adding to 3100023413 its reverse (3143200013), we get a palindrome (6243223426).

The spelling of 3100023413 in words is "three billion, one hundred million, twenty-three thousand, four hundred thirteen".

Divisors: 1 19 163159127 3100023413