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11442612687 = 3112197322727
BaseRepresentation
bin10101010100000100…
…00110100111001111
31002112110021221200220
422222002012213033
5141413302101222
65131234522423
7553362413562
oct125202064717
932473257626
1011442612687
114942069300
122274136413
131104838a4c
147a79a84d9
1546e86db5c
hex2aa0869cf

11442612687 has 48 divisors (see below), whose sum is σ = 17895118080. Its totient is φ = 6479637120.

The previous prime is 11442612661. The next prime is 11442612691. The reversal of 11442612687 is 78621624411.

It is not a de Polignac number, because 11442612687 - 223 = 11434224079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11442612617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 492118 + ... + 514844.

It is an arithmetic number, because the mean of its divisors is an integer number (372814960).

Almost surely, 211442612687 is an apocalyptic number.

11442612687 is a deficient number, since it is larger than the sum of its proper divisors (6452505393).

11442612687 is a wasteful number, since it uses less digits than its factorization.

11442612687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22844 (or 22833 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The spelling of 11442612687 in words is "eleven billion, four hundred forty-two million, six hundred twelve thousand, six hundred eighty-seven".

Divisors: 1 3 11 19 33 57 73 121 209 219 363 627 803 1387 2299 2409 4161 6897 8833 15257 22727 26499 45771 68181 167827 249997 431813 503481 749991 1295439 1659071 2749967 4749943 4977213 8249901 14249829 18249781 31522349 52249373 54749343 94567047 156748119 200747591 346745839 602242773 1040237517 3814204229 11442612687