Search a number
-
+
111131012307 = 37217127350159
BaseRepresentation
bin110011101111111101…
…1001010110011010011
3101121211220121100120210
41213133323022303103
53310044014343212
6123015231135203
711012634006300
oct1473773126323
9347756540523
10111131012307
1143148617427
1219655674503
13a630918563
1455434b60a7
152d5655753c
hex19dfecacd3

111131012307 has 48 divisors (see below), whose sum is σ = 183943249920. Its totient is φ = 59297156352.

The previous prime is 111131012269. The next prime is 111131012347. The reversal of 111131012307 is 703210131111.

It is not a de Polignac number, because 111131012307 - 214 = 111130995923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (111131012347) 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, 142294 + ... + 492452.

It is an arithmetic number, because the mean of its divisors is an integer number (3832151040).

Almost surely, 2111131012307 is an apocalyptic number.

111131012307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

111131012307 is a deficient number, since it is larger than the sum of its proper divisors (72812237613).

111131012307 is a wasteful number, since it uses less digits than its factorization.

111131012307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350320 (or 350313 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 21.

Adding to 111131012307 its reverse (703210131111), we get a palindrome (814341143418).

The spelling of 111131012307 in words is "one hundred eleven billion, one hundred thirty-one million, twelve thousand, three hundred seven".

Divisors: 1 3 7 17 21 49 51 119 127 147 357 381 833 889 2159 2499 2667 6223 6477 15113 18669 45339 105791 317373 350159 1050477 2451113 5952703 7353339 17157791 17858109 41668921 44470193 51473373 125006763 133410579 291682447 311291351 755993281 875047341 933874053 2179039457 2267979843 5291952967 6537118371 15875858901 37043670769 111131012307