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10302412111 = 12977943263
BaseRepresentation
bin10011001100001001…
…00101010101001111
3222120222210202112221
421212010211111033
5132044404141421
64422144240211
7513206025625
oct114604452517
928528722487
1010302412111
114407496782
121bb6310067
13c82551154
146da3a3515
154046e6841
hex26612554f

10302412111 has 4 divisors (see below), whose sum is σ = 10310356672. Its totient is φ = 10294467552.

The previous prime is 10302412093. The next prime is 10302412117. The reversal of 10302412111 is 11121420301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11121420301 = 105110581751.

It is a cyclic number.

It is not a de Polignac number, because 10302412111 - 27 = 10302411983 is a prime.

It is a super-2 number, since 2×103024121112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10302412117) 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, 3970335 + ... + 3972928.

It is an arithmetic number, because the mean of its divisors is an integer number (2577589168).

Almost surely, 210302412111 is an apocalyptic number.

10302412111 is a deficient number, since it is larger than the sum of its proper divisors (7944561).

10302412111 is an equidigital number, since it uses as much as digits as its factorization.

10302412111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944560.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10302412111 its reverse (11121420301), we get a palindrome (21423832412).

The spelling of 10302412111 in words is "ten billion, three hundred two million, four hundred twelve thousand, one hundred eleven".

Divisors: 1 1297 7943263 10302412111