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3120220220213 = 29257929450649
BaseRepresentation
bin101101011001111011100…
…111100010101100110101
3102001021211111211020021202
4231121323213202230311
5402110202334021323
610345224232022245
7441266652160655
oct55317347425465
912037744736252
103120220220213
11aa3306a74578
12424877531985
1319830a530c95
14ab03b5a6365
155626dbe9d28
hex2d67b9e2b35

3120220220213 has 16 divisors (see below), whose sum is σ = 3243868830000. Its totient is φ = 2997667233792.

The previous prime is 3120220220179. The next prime is 3120220220219.

It is a happy number.

3120220220213 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 277162237444 + 2843057982769 = 526462^2 + 1686137^2 .

It is not a de Polignac number, because 3120220220213 - 222 = 3120216025909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120220220219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6698513 + ... + 7149161.

It is an arithmetic number, because the mean of its divisors is an integer number (202741801875).

Almost surely, 23120220220213 is an apocalyptic number.

It is an amenable number.

3120220220213 is a deficient number, since it is larger than the sum of its proper divisors (123648609787).

3120220220213 is a wasteful number, since it uses less digits than its factorization.

3120220220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451864.

The product of its (nonzero) digits is 576, while the sum is 20.

It can be divided in two parts, 3120220 and 220213, that added together give a palindrome (3340433).

The spelling of 3120220220213 in words is "three trillion, one hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred thirteen".

Divisors: 1 29 257 929 7453 26941 238753 450649 6923837 13068821 115816793 418652921 3358686997 12140934709 107593800697 3120220220213