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111103202001 = 31127111338149
BaseRepresentation
bin110011101111001000…
…1000101001011010001
3101121202222021110000110
41213132101011023101
53310014404431001
6123012355111533
711012145430551
oct1473621051321
9347688243013
10111103202001
1143133952100
12196482a25a9
13a627c2c15c
14553d917161
152d53db23d6
hex19de4452d1

111103202001 has 48 divisors (see below), whose sum is σ = 166587926400. Its totient is φ = 65797670400.

The previous prime is 111103201961. The next prime is 111103202027. The reversal of 111103202001 is 100202301111.

It is not a de Polignac number, because 111103202001 - 27 = 111103201873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111103206001) 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, 2893275 + ... + 2931423.

It is an arithmetic number, because the mean of its divisors is an integer number (3470581800).

Almost surely, 2111103202001 is an apocalyptic number.

111103202001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111103202001 is a deficient number, since it is larger than the sum of its proper divisors (55484724399).

111103202001 is a wasteful number, since it uses less digits than its factorization.

111103202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38358 (or 38347 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111103202001 its reverse (100202301111), we get a palindrome (211305503112).

The spelling of 111103202001 in words is "one hundred eleven billion, one hundred three million, two hundred two thousand, one".

Divisors: 1 3 11 33 71 113 121 213 339 363 781 1243 2343 3729 8023 8591 13673 24069 25773 38149 41019 88253 114447 264759 419639 970783 1258917 2708579 2912349 4310837 4616029 8125737 12932511 13848087 29794369 47419207 89383107 142257621 306069427 327738059 521611277 918208281 983214177 1564833831 3366763697 10100291091 37034400667 111103202001