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12101315 = 531101773
BaseRepresentation
bin101110001010…
…011011000011
3211202210212212
4232022123003
511044220230
61111212335
7204600542
oct56123303
924683785
1012101315
116915996
1240770ab
132679155
141870159
1510e0895
hexb8a6c3

12101315 has 16 divisors (see below), whose sum is σ = 15158016. Its totient is φ = 9264000.

The previous prime is 12101303. The next prime is 12101329. The reversal of 12101315 is 51310121.

12101315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12101315 - 212 = 12097219 is a prime.

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 12101315.

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, 15269 + ... + 16041.

It is an arithmetic number, because the mean of its divisors is an integer number (947376).

Almost surely, 212101315 is an apocalyptic number.

12101315 is a deficient number, since it is larger than the sum of its proper divisors (3056701).

12101315 is a wasteful number, since it uses less digits than its factorization.

12101315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 12101315 is about 3478.6944390101. The cubic root of 12101315 is about 229.5853587992.

Adding to 12101315 its reverse (51310121), we get a palindrome (63411436).

The spelling of 12101315 in words is "twelve million, one hundred one thousand, three hundred fifteen".

Divisors: 1 5 31 101 155 505 773 3131 3865 15655 23963 78073 119815 390365 2420263 12101315