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116164151 = 211550541
BaseRepresentation
bin1101110110010…
…00011000110111
322002120202020222
412323020120313
5214214223101
615305444555
72610243665
oct673103067
9262522228
10116164151
115a631934
1232aa075b
131b0b2cac
14115dbc35
15a2e901b
hex6ec8637

116164151 has 4 divisors (see below), whose sum is σ = 116714904. Its totient is φ = 115613400.

The previous prime is 116164141. The next prime is 116164159. The reversal of 116164151 is 151461611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151461611 = 721637373.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-116164151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116164151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116164159) 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, 275060 + ... + 275481.

It is an arithmetic number, because the mean of its divisors is an integer number (29178726).

Almost surely, 2116164151 is an apocalyptic number.

116164151 is a deficient number, since it is larger than the sum of its proper divisors (550753).

116164151 is an equidigital number, since it uses as much as digits as its factorization.

116164151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550752.

The product of its digits is 720, while the sum is 26.

The square root of 116164151 is about 10777.9474390999. The cubic root of 116164151 is about 487.9298348798.

The spelling of 116164151 in words is "one hundred sixteen million, one hundred sixty-four thousand, one hundred fifty-one".

Divisors: 1 211 550541 116164151