Search a number
-
+
2691913269 = 31814957483
BaseRepresentation
bin1010000001110011…
…0101011000110101
320221121022100210110
42200130311120311
521003112211034
61123041013233
7123464612433
oct24034653065
96847270713
102691913269
111161573311
12631624219
1333b9149b6
141b7729d53
1510b4d8de9
hexa0735635

2691913269 has 8 divisors (see below), whose sum is σ = 3609048352. Its totient is φ = 1784693520.

The previous prime is 2691913267. The next prime is 2691913271. The reversal of 2691913269 is 9623191962.

It is an interprime number because it is at equal distance from previous prime (2691913267) and next prime (2691913271).

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

It is not a de Polignac number, because 2691913269 - 21 = 2691913267 is a prime.

It is a super-2 number, since 2×26919132692 = 14492794095636532722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691913267) 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, 2478199 + ... + 2479284.

It is an arithmetic number, because the mean of its divisors is an integer number (451131044).

Almost surely, 22691913269 is an apocalyptic number.

It is an amenable number.

2691913269 is a deficient number, since it is larger than the sum of its proper divisors (917135083).

2691913269 is a wasteful number, since it uses less digits than its factorization.

2691913269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4957667.

The product of its digits is 314928, while the sum is 48.

The square root of 2691913269 is about 51883.6512689691. The cubic root of 2691913269 is about 1391.0850642845.

The spelling of 2691913269 in words is "two billion, six hundred ninety-one million, nine hundred thirteen thousand, two hundred sixty-nine".

Divisors: 1 3 181 543 4957483 14872449 897304423 2691913269