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415996261689 = 3138665420563
BaseRepresentation
bin1100000110110110100…
…11110011010100111001
31110202202111100122210110
412003123103303110321
523303430020333224
6515034523334533
742024526611321
oct6033323632471
91422674318713
10415996261689
11150472054588
1268758381449
13302c76b5b48
14161c4840281
15ac4ae01929
hex60db4f3539

415996261689 has 4 divisors (see below), whose sum is σ = 554661682256. Its totient is φ = 277330841124.

The previous prime is 415996261687. The next prime is 415996261697. The reversal of 415996261689 is 986162699514.

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 not a de Polignac number, because 415996261689 - 21 = 415996261687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415996261687) 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, 69332710279 + ... + 69332710284.

It is an arithmetic number, because the mean of its divisors is an integer number (138665420564).

Almost surely, 2415996261689 is an apocalyptic number.

It is an amenable number.

415996261689 is a deficient number, since it is larger than the sum of its proper divisors (138665420567).

415996261689 is a wasteful number, since it uses less digits than its factorization.

415996261689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138665420566.

The product of its digits is 50388480, while the sum is 66.

The spelling of 415996261689 in words is "four hundred fifteen billion, nine hundred ninety-six million, two hundred sixty-one thousand, six hundred eighty-nine".

Divisors: 1 3 138665420563 415996261689