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78112303 is a prime number
BaseRepresentation
bin1001010011111…
…10011000101111
312102222111221021
410221332120233
5124444043203
611430115011
71635641443
oct451763057
9172874837
1078112303
1140101a25
12221aba67
131324c0c9
14a534823
156cce5bd
hex4a7e62f

78112303 has 2 divisors, whose sum is σ = 78112304. Its totient is φ = 78112302.

The previous prime is 78112271. The next prime is 78112313. The reversal of 78112303 is 30321187.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78112303 - 25 = 78112271 is a prime.

It is a super-2 number, since 2×781123032 = 12203063759927618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78112313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39056151 + 39056152.

It is an arithmetic number, because the mean of its divisors is an integer number (39056152).

Almost surely, 278112303 is an apocalyptic number.

78112303 is a deficient number, since it is larger than the sum of its proper divisors (1).

78112303 is an equidigital number, since it uses as much as digits as its factorization.

78112303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 78112303 is about 8838.1164848626. The cubic root of 78112303 is about 427.4708264122.

The spelling of 78112303 in words is "seventy-eight million, one hundred twelve thousand, three hundred three".