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3020100321 = 373137125383
BaseRepresentation
bin1011010000000011…
…0001001011100001
321210110211222210110
42310000301023201
522141121202241
61215403121533
7134561300130
oct26400611341
97713758713
103020100321
11130a84a087
127035132a9
13391901514
14209159917
1512a214816
hexb40312e1

3020100321 has 32 divisors (see below), whose sum is σ = 4878942208. Its totient is φ = 1624950720.

The previous prime is 3020100299. The next prime is 3020100323. The reversal of 3020100321 is 1230010203.

It is a happy number.

It is not a de Polignac number, because 3020100321 - 25 = 3020100289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3020100297 and 3020100306.

It is not an unprimeable number, because it can be changed into a prime (3020100323) 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, 38605 + ... + 86778.

It is an arithmetic number, because the mean of its divisors is an integer number (152466944).

Almost surely, 23020100321 is an apocalyptic number.

3020100321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3020100321 is a deficient number, since it is larger than the sum of its proper divisors (1858841887).

3020100321 is a wasteful number, since it uses less digits than its factorization.

3020100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125461.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3020100321 is about 54955.4394123093. The cubic root of 3020100321 is about 1445.4634785964.

Adding to 3020100321 its reverse (1230010203), we get a palindrome (4250110524).

The spelling of 3020100321 in words is "three billion, twenty million, one hundred thousand, three hundred twenty-one".

Divisors: 1 3 7 21 31 37 93 111 217 259 651 777 1147 3441 8029 24087 125383 376149 877681 2633043 3886873 4639171 11660619 13917513 27208111 32474197 81624333 97422591 143814301 431442903 1006700107 3020100321