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3061309680 = 24335112131753
BaseRepresentation
bin1011011001110111…
…1110000011110000
321220100101122102000
42312131332003300
522232143402210
61223434254000
7135601463052
oct26635760360
97810348360
103061309680
111331036300
12715287300
1339a2cc660
142108058d2
1512db54ac0
hexb677e0f0

3061309680 has 960 divisors, whose sum is σ = 13465388160. Its totient is φ = 632586240.

The previous prime is 3061309631. The next prime is 3061309711. The reversal of 3061309680 is 869031603.

It is a happy number.

3061309680 is a `hidden beast` number, since 30 + 613 + 0 + 9 + 6 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 57760534 + ... + 57760586.

It is an arithmetic number, because the mean of its divisors is an integer number (14026446).

Almost surely, 23061309680 is an apocalyptic number.

3061309680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3061309680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6732694080).

3061309680 is an abundant number, since it is smaller than the sum of its proper divisors (10404078480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3061309680 is a wasteful number, since it uses less digits than its factorization.

3061309680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3061309680 is about 55329.1033724567. The cubic root of 3061309680 is about 1452.0082644158.

The spelling of 3061309680 in words is "three billion, sixty-one million, three hundred nine thousand, six hundred eighty".