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102111323 = 132776949
BaseRepresentation
bin1100001011000…
…01100001011011
321010010210101212
412011201201123
5202120030243
614044333335
72346634436
oct605414133
9233123355
10102111323
1152703826
122a24424b
1318202802
14d7c081d
158e70318
hex616185b

102111323 has 4 divisors (see below), whose sum is σ = 102189600. Its totient is φ = 102033048.

The previous prime is 102111319. The next prime is 102111389. The reversal of 102111323 is 323111201.

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

It is a cyclic number.

It is not a de Polignac number, because 102111323 - 22 = 102111319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102111298 and 102111307.

It is not an unprimeable number, because it can be changed into a prime (102114323) 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, 37148 + ... + 39801.

It is an arithmetic number, because the mean of its divisors is an integer number (25547400).

Almost surely, 2102111323 is an apocalyptic number.

102111323 is a deficient number, since it is larger than the sum of its proper divisors (78277).

102111323 is an equidigital number, since it uses as much as digits as its factorization.

102111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78276.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 102111323 is about 10105.0147451649. The cubic root of 102111323 is about 467.4027906588.

Adding to 102111323 its reverse (323111201), we get a palindrome (425222524).

The spelling of 102111323 in words is "one hundred two million, one hundred eleven thousand, three hundred twenty-three".

Divisors: 1 1327 76949 102111323