Search a number
-
+
12002101013 = 721912891623
BaseRepresentation
bin10110010110110000…
…11000011100010101
31010222110001220101202
423023120120130111
5144040014213023
65302542402245
7603265114100
oct131330303425
933873056352
1012002101013
1150a9967151
1223ab590385
13119371bc26
1481c007737
154a3a38128
hex2cb618715

12002101013 has 12 divisors (see below), whose sum is σ = 14696451360. Its totient is φ = 9746066232.

The previous prime is 12002101003. The next prime is 12002101057. The reversal of 12002101013 is 31010120021.

It is not a de Polignac number, because 12002101013 - 26 = 12002100949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12002100985 and 12002101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002101003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6444881 + ... + 6446742.

It is an arithmetic number, because the mean of its divisors is an integer number (1224704280).

Almost surely, 212002101013 is an apocalyptic number.

It is an amenable number.

12002101013 is a deficient number, since it is larger than the sum of its proper divisors (2694350347).

12002101013 is a wasteful number, since it uses less digits than its factorization.

12002101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12891656 (or 12891649 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12002101013 its reverse (31010120021), we get a palindrome (43012221034).

The spelling of 12002101013 in words is "twelve billion, two million, one hundred one thousand, thirteen".

Divisors: 1 7 19 49 133 931 12891623 90241361 244940837 631689527 1714585859 12002101013