Search a number
-
+
102056141 = 119277831
BaseRepresentation
bin1100001010101…
…00000011001101
321010000222201002
412011110003031
5202111244031
614043230045
72346314525
oct605240315
9233028632
10102056141
1152676320
122a218325
13181b3665
14d7a8685
158e5dccb
hex61540cd

102056141 has 4 divisors (see below), whose sum is σ = 111333984. Its totient is φ = 92778300.

The previous prime is 102056131. The next prime is 102056147. The reversal of 102056141 is 141650201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102056141 - 26 = 102056077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102056147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638905 + ... + 4638926.

It is an arithmetic number, because the mean of its divisors is an integer number (27833496).

Almost surely, 2102056141 is an apocalyptic number.

102056141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102056141 is a deficient number, since it is larger than the sum of its proper divisors (9277843).

102056141 is an equidigital number, since it uses as much as digits as its factorization.

102056141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277842.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 102056141 is about 10102.2839496819. The cubic root of 102056141 is about 467.3185790763.

The spelling of 102056141 in words is "one hundred two million, fifty-six thousand, one hundred forty-one".

Divisors: 1 11 9277831 102056141