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102041311 = 617165383
BaseRepresentation
bin1100001010100…
…00011011011111
321010000020100211
412011100123133
5202110310221
614043033251
72346223351
oct605203337
9233006324
10102041311
1152666169
122a20b827
13181a9998
14d7a30d1
158e596e1
hex61506df

102041311 has 4 divisors (see below), whose sum is σ = 102207312. Its totient is φ = 101875312.

The previous prime is 102041297. The next prime is 102041321. The reversal of 102041311 is 113140201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113140201 = 619182779.

It is a cyclic number.

It is not a de Polignac number, because 102041311 - 213 = 102033119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102041291 and 102041300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102041321) 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, 82075 + ... + 83308.

It is an arithmetic number, because the mean of its divisors is an integer number (25551828).

Almost surely, 2102041311 is an apocalyptic number.

102041311 is a deficient number, since it is larger than the sum of its proper divisors (166001).

102041311 is an equidigital number, since it uses as much as digits as its factorization.

102041311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166000.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 102041311 is about 10101.5499305800. The cubic root of 102041311 is about 467.2959422864.

Adding to 102041311 its reverse (113140201), we get a palindrome (215181512).

The spelling of 102041311 in words is "one hundred two million, forty-one thousand, three hundred eleven".

Divisors: 1 617 165383 102041311