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3101021013 = 315161911059
BaseRepresentation
bin1011100011010101…
…1101001101010101
322000010010012010010
42320311131031111
522322330133023
61231413350433
7136563146406
oct27065351525
98003105103
103101021013
111351499a92
12726638419
133a55c499c
14215bc19ad
1513239b093
hexb8d5d355

3101021013 has 16 divisors (see below), whose sum is σ = 4169177600. Its totient is φ = 2050153200.

The previous prime is 3101021009. The next prime is 3101021039. The reversal of 3101021013 is 3101201013.

It is not a de Polignac number, because 3101021013 - 22 = 3101021009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3101021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101021113) 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, 274878 + ... + 285936.

It is an arithmetic number, because the mean of its divisors is an integer number (260573600).

Almost surely, 23101021013 is an apocalyptic number.

It is an amenable number.

3101021013 is a deficient number, since it is larger than the sum of its proper divisors (1068156587).

3101021013 is a wasteful number, since it uses less digits than its factorization.

3101021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11832.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 3101021013 is about 55686.8118408659. The cubic root of 3101021013 is about 1458.2597976947.

Adding to 3101021013 its reverse (3101201013), we get a palindrome (6202222026).

The spelling of 3101021013 in words is "three billion, one hundred one million, twenty-one thousand, thirteen".

Divisors: 1 3 151 453 619 1857 11059 33177 93469 280407 1669909 5009727 6845521 20536563 1033673671 3101021013