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11308437541 = 79143144779
BaseRepresentation
bin10101000100000100…
…10001000000100101
31002012002211011000001
422202002101000211
5141124430000131
65110043021301
7550143063442
oct124202210045
932162734001
1011308437541
114883355555
12223720a831
1310b2abaa7b
14793c3c9c9
15462bb8261
hex2a2091025

11308437541 has 4 divisors (see below), whose sum is σ = 11451582400. Its totient is φ = 11165292684.

The previous prime is 11308437533. The next prime is 11308437551. The reversal of 11308437541 is 14573480311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14573480311 = 131121036947.

It is a cyclic number.

It is not a de Polignac number, because 11308437541 - 23 = 11308437533 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 11308437541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11308437551) 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, 71572311 + ... + 71572468.

It is an arithmetic number, because the mean of its divisors is an integer number (2862895600).

Almost surely, 211308437541 is an apocalyptic number.

It is an amenable number.

11308437541 is a deficient number, since it is larger than the sum of its proper divisors (143144859).

11308437541 is an equidigital number, since it uses as much as digits as its factorization.

11308437541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143144858.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 11308437541 in words is "eleven billion, three hundred eight million, four hundred thirty-seven thousand, five hundred forty-one".

Divisors: 1 79 143144779 11308437541