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11387108311 = 107638916657
BaseRepresentation
bin10101001101011100…
…10111101111010111
31002101120212001000021
422212232113233113
5141310044431221
65121533130011
7552116552335
oct124656275727
932346761007
1011387108311
1149137a9017
122259629907
1310c61a4117
147a047ab55
15469a58041
hex2a6b97bd7

11387108311 has 8 divisors (see below), whose sum is σ = 11496018960. Its totient is φ = 11278243968.

The previous prime is 11387108279. The next prime is 11387108333. The reversal of 11387108311 is 11380178311.

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 11387108311 - 25 = 11387108279 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 (11387108611) 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, 675295 + ... + 691951.

It is an arithmetic number, because the mean of its divisors is an integer number (1437002370).

Almost surely, 211387108311 is an apocalyptic number.

11387108311 is a deficient number, since it is larger than the sum of its proper divisors (108910649).

11387108311 is a wasteful number, since it uses less digits than its factorization.

11387108311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23153.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 11387108311 in words is "eleven billion, three hundred eighty-seven million, one hundred eight thousand, three hundred eleven".

Divisors: 1 107 6389 16657 683623 1782299 106421573 11387108311