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3120410345 = 513232087231
BaseRepresentation
bin1011100111111101…
…1010111011101001
322001110121021021112
42321333122323221
522342311112340
61233345120105
7140220023153
oct27177327351
98043537245
103120410345
111361432528
12731029035
133a9623170
142185cbad3
15133e2b065
hexb9fdaee9

3120410345 has 16 divisors (see below), whose sum is σ = 4207859712. Its totient is φ = 2204114880.

The previous prime is 3120410317. The next prime is 3120410383. The reversal of 3120410345 is 5430140213.

It is not a de Polignac number, because 3120410345 - 210 = 3120409321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3120410345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042121 + ... + 1045110.

It is an arithmetic number, because the mean of its divisors is an integer number (262991232).

Almost surely, 23120410345 is an apocalyptic number.

It is an amenable number.

3120410345 is a deficient number, since it is larger than the sum of its proper divisors (1087449367).

3120410345 is a wasteful number, since it uses less digits than its factorization.

3120410345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087272.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3120410345 is about 55860.6332312837. The cubic root of 3120410345 is about 1461.2927726771.

Adding to 3120410345 its reverse (5430140213), we get a palindrome (8550550558).

The spelling of 3120410345 in words is "three billion, one hundred twenty million, four hundred ten thousand, three hundred forty-five".

Divisors: 1 5 13 23 65 115 299 1495 2087231 10436155 27134003 48006313 135670015 240031565 624082069 3120410345