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3060681481 = 1113191636911
BaseRepresentation
bin1011011001101110…
…0100101100001001
321220022012201200101
42312123210230021
522232013301411
61223413005401
7135563235424
oct26633445411
97808181611
103060681481
111330747330
12715023861
1339a13c740
142106c09bb
1512da7d8c1
hexb66e4b09

3060681481 has 32 divisors (see below), whose sum is σ = 3808788480. Its totient is φ = 2417947200.

The previous prime is 3060681469. The next prime is 3060681497. The reversal of 3060681481 is 1841860603.

3060681481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3060681481 - 213 = 3060673289 is a prime.

It is a super-2 number, since 2×30606814812 = 18735542256272706722, which contains 22 as substring.

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 3060681481.

It is not an unprimeable number, because it can be changed into a prime (3060681781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439416 + ... + 446326.

It is an arithmetic number, because the mean of its divisors is an integer number (119024640).

Almost surely, 23060681481 is an apocalyptic number.

It is an amenable number.

3060681481 is a deficient number, since it is larger than the sum of its proper divisors (748106999).

3060681481 is a wasteful number, since it uses less digits than its factorization.

3060681481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 3060681481 is about 55323.4261502304. The cubic root of 3060681481 is about 1451.9089373700.

The spelling of 3060681481 in words is "three billion, sixty million, six hundred eighty-one thousand, four hundred eighty-one".

Divisors: 1 11 13 19 143 163 209 247 1793 2119 2717 3097 6911 23309 34067 40261 76021 89843 131309 442871 988273 1126493 1444399 1707017 12391423 14644409 18777187 21403367 161088499 235437037 278243771 3060681481