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11690380051 = 74217396029
BaseRepresentation
bin10101110001100110…
…10000101100010011
31010011201111211121221
422320303100230103
5142420214130201
65212005225511
7562461406450
oct127063205423
933151454557
1011690380051
114a59a07619
122323102297
131143c7915c
147cc862827
154864b14a1
hex2b8cd0b13

11690380051 has 8 divisors (see below), whose sum is σ = 13363636320. Its totient is φ = 10017924288.

The previous prime is 11690380033. The next prime is 11690380057. The reversal of 11690380051 is 15008309611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11690380051 - 29 = 11690379539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11690379989 and 11690380016.

It is not an unprimeable number, because it can be changed into a prime (11690380057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168496 + ... + 227533.

It is an arithmetic number, because the mean of its divisors is an integer number (1670454540).

Almost surely, 211690380051 is an apocalyptic number.

11690380051 is a deficient number, since it is larger than the sum of its proper divisors (1673256269).

11690380051 is an equidigital number, since it uses as much as digits as its factorization.

11690380051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400253.

The product of its (nonzero) digits is 6480, while the sum is 34.

Adding to 11690380051 its reverse (15008309611), we get a palindrome (26698689662).

The spelling of 11690380051 in words is "eleven billion, six hundred ninety million, three hundred eighty thousand, fifty-one".

Divisors: 1 7 4217 29519 396029 2772203 1670054293 11690380051