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11288710309 = 101156771327
BaseRepresentation
bin10101000001101110…
…00000110010100101
31002010201200220022211
422200313000302211
5141104402212214
65104100123421
7546513311602
oct124067006245
932121626284
1011288710309
114873201158
122230696571
1310ab9a1856
147913856a9
154610bd0c4
hex2a0dc0ca5

11288710309 has 8 divisors (see below), whose sum is σ = 11407915008. Its totient is φ = 11169651600.

The previous prime is 11288710229. The next prime is 11288710319. The reversal of 11288710309 is 90301788211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11288710309 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 (11288710319) 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, 122604 + ... + 193930.

It is an arithmetic number, because the mean of its divisors is an integer number (1425989376).

Almost surely, 211288710309 is an apocalyptic number.

It is an amenable number.

11288710309 is a deficient number, since it is larger than the sum of its proper divisors (119204699).

11288710309 is a wasteful number, since it uses less digits than its factorization.

11288710309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72995.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 11288710309 in words is "eleven billion, two hundred eighty-eight million, seven hundred ten thousand, three hundred nine".

Divisors: 1 101 1567 71327 158267 7204027 111769409 11288710309