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3113113213220 = 2251727733054929
BaseRepresentation
bin101101010011010100000…
…000011101100100100100
3102000121111012201212111112
4231103110000131210210
5402001123440310340
610342051112124152
7440625563463653
oct55232400354444
912017435655445
103113113213220
11aa029a282a7a
12423413396658
131977470000ba
14aa96575319a
1555ea4ce5065
hex2d4d401d924

3113113213220 has 48 divisors (see below), whose sum is σ = 6947088528240. Its totient is φ = 1167764496384.

The previous prime is 3113113213219. The next prime is 3113113213241. The reversal of 3113113213220 is 223123113113.

It can be written as a sum of positive squares in 8 ways, for example, as 3223287076 + 3109889926144 = 56774^2 + 1763488^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16433285 + ... + 16621644.

It is an arithmetic number, because the mean of its divisors is an integer number (144731011005).

Almost surely, 23113113213220 is an apocalyptic number.

It is an amenable number.

3113113213220 is an abundant number, since it is smaller than the sum of its proper divisors (3833975315020).

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

3113113213220 is a wasteful number, since it uses less digits than its factorization.

3113113213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33055232 (or 33055230 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 3113113213220 its reverse (223123113113), we get a palindrome (3336236326333).

The spelling of 3113113213220 in words is "three trillion, one hundred thirteen billion, one hundred thirteen million, two hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 277 340 554 1108 1385 2770 4709 5540 9418 18836 23545 47090 94180 33054929 66109858 132219716 165274645 330549290 561933793 661098580 1123867586 2247735172 2809668965 5619337930 9156215333 11238675860 18312430666 36624861332 45781076665 91562153330 155655660661 183124306660 311311321322 622622642644 778278303305 1556556606610 3113113213220