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3061880805 = 35204125387
BaseRepresentation
bin1011011010000000…
…1001011111100101
321220101110122211210
42312200021133211
522232320141210
61223454422033
7135606362124
oct26640113745
97811418753
103061880805
111331396405
12715501919
1339a46c5b9
14210913abb
1512dc18e20
hexb68097e5

3061880805 has 8 divisors (see below), whose sum is σ = 4899009312. Its totient is φ = 1633003088.

The previous prime is 3061880803. The next prime is 3061880807. The reversal of 3061880805 is 5080881603.

It is a happy number.

3061880805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3061880803) and next prime (3061880807).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3061880805 - 21 = 3061880803 is a prime.

It is a super-2 number, since 2×30618808052 = 18750228128054896050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061880803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102062679 + ... + 102062708.

It is an arithmetic number, because the mean of its divisors is an integer number (612376164).

Almost surely, 23061880805 is an apocalyptic number.

It is an amenable number.

3061880805 is a deficient number, since it is larger than the sum of its proper divisors (1837128507).

3061880805 is a wasteful number, since it uses less digits than its factorization.

3061880805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204125395.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 3061880805 is about 55334.2642943773. The cubic root of 3061880805 is about 1452.0985554721.

The spelling of 3061880805 in words is "three billion, sixty-one million, eight hundred eighty thousand, eight hundred five".

Divisors: 1 3 5 15 204125387 612376161 1020626935 3061880805