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34031135145 = 357893641641
BaseRepresentation
bin11111101100011010…
…011110100110101001
310020211200120210012210
4133230122132212221
51024143432311040
623344513155333
72313215606310
oct375432364651
9106750523183
1034031135145
1113483763587
126718b5bb49
133294598377
14190b985277
15d4299e480
hex7ec69e9a9

34031135145 has 32 divisors (see below), whose sum is σ = 62927573760. Its totient is φ = 15382287360.

The previous prime is 34031135137. The next prime is 34031135153. The reversal of 34031135145 is 54153113043.

It is an interprime number because it is at equal distance from previous prime (34031135137) and next prime (34031135153).

It is not a de Polignac number, because 34031135145 - 23 = 34031135137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1811476 + ... + 1830165.

It is an arithmetic number, because the mean of its divisors is an integer number (1966486680).

Almost surely, 234031135145 is an apocalyptic number.

34031135145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34031135145 is a deficient number, since it is larger than the sum of its proper divisors (28896438615).

34031135145 is a wasteful number, since it uses less digits than its factorization.

34031135145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641745.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 34031135145 its reverse (54153113043), we get a palindrome (88184248188).

The spelling of 34031135145 in words is "thirty-four billion, thirty-one million, one hundred thirty-five thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 89 105 267 445 623 1335 1869 3115 9345 3641641 10924923 18208205 25491487 54624615 76474461 127457435 324106049 382372305 972318147 1620530245 2268742343 4861590735 6806227029 11343711715 34031135145