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3380643785380 = 225179943069957
BaseRepresentation
bin110001001100011110000…
…100100110101010100100
3102222012000212201001201011
4301030132010212222210
5420342024302113010
611105014000512004
7466146335022361
oct61143604465244
912865025631634
103380643785380
1110937a5313594
1246723691b604
131b6a40c7c9c4
14b98a44b7468
155ce11b8ca8a
hex3131e126aa4

3380643785380 has 24 divisors (see below), whose sum is σ = 7516960888248. Its totient is φ = 1272712954368.

The previous prime is 3380643785359. The next prime is 3380643785381. The reversal of 3380643785380 is 835873460833.

It can be written as a sum of positive squares in 4 ways, for example, as 399330469476 + 2981313315904 = 631926^2 + 1726648^2 .

It is a super-2 number, since 2×33806437853802 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3380643785381) 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, 4971534639 + ... + 4971535318.

It is an arithmetic number, because the mean of its divisors is an integer number (313206703677).

Almost surely, 23380643785380 is an apocalyptic number.

It is an amenable number.

3380643785380 is an abundant number, since it is smaller than the sum of its proper divisors (4136317102868).

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

3380643785380 is a wasteful number, since it uses less digits than its factorization.

3380643785380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943069983 (or 9943069981 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 3380643785380 in words is "three trillion, three hundred eighty billion, six hundred forty-three million, seven hundred eighty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 9943069957 19886139914 39772279828 49715349785 99430699570 169032189269 198861399140 338064378538 676128757076 845160946345 1690321892690 3380643785380