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3215340103 = 31079103457
BaseRepresentation
bin1011111110100110…
…0011001001000111
322022002020012102111
42333221203021013
523041111340403
61251015521451
7142451640253
oct27751431107
98262205374
103215340103
1113aaa80678
12758989287
133c31acc11
1422705d263
1513c42d56d
hexbfa63247

3215340103 has 4 divisors (see below), whose sum is σ = 3215474640. Its totient is φ = 3215205568.

The previous prime is 3215340091. The next prime is 3215340109. The reversal of 3215340103 is 3010435123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3215340103 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 (3215340109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20650 + ... + 82807.

It is an arithmetic number, because the mean of its divisors is an integer number (803868660).

Almost surely, 23215340103 is an apocalyptic number.

3215340103 is a deficient number, since it is larger than the sum of its proper divisors (134537).

3215340103 is a wasteful number, since it uses less digits than its factorization.

3215340103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134536.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3215340103 is about 56703.9690233409. The cubic root of 3215340103 is about 1475.9635727075.

Adding to 3215340103 its reverse (3010435123), we get a palindrome (6225775226).

The spelling of 3215340103 in words is "three billion, two hundred fifteen million, three hundred forty thousand, one hundred three".

Divisors: 1 31079 103457 3215340103