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3042100321 = 137922713049
BaseRepresentation
bin1011010101010010…
…1100010001100001
321212000020201010021
42311110230101201
522212234202241
61221510433441
7135246266101
oct26524542141
97760221107
103042100321
111321205aa7
1270a962881
13396335080
1420c045201
1512c10d0d1
hexb552c461

3042100321 has 16 divisors (see below), whose sum is σ = 3332448000. Its totient is φ = 2760121728.

The previous prime is 3042100291. The next prime is 3042100337. The reversal of 3042100321 is 1230012403.

It is a happy number.

It is not a de Polignac number, because 3042100321 - 25 = 3042100289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3042100295 and 3042100304.

It is not an unprimeable number, because it can be changed into a prime (3042100351) 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, 226605 + ... + 239653.

It is an arithmetic number, because the mean of its divisors is an integer number (208278000).

Almost surely, 23042100321 is an apocalyptic number.

It is an amenable number.

3042100321 is a deficient number, since it is larger than the sum of its proper divisors (290347679).

3042100321 is a wasteful number, since it uses less digits than its factorization.

3042100321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3042100321 is about 55155.2383822244. The cubic root of 3042100321 is about 1448.9648292895.

Adding to 3042100321 its reverse (1230012403), we get a palindrome (4272112724).

The spelling of 3042100321 in words is "three billion, forty-two million, one hundred thousand, three hundred twenty-one".

Divisors: 1 13 79 227 1027 2951 13049 17933 169637 233129 1030871 2962123 13401323 38507599 234007717 3042100321