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30997135244999 = 71137107101682293
BaseRepresentation
bin1110000110001000101010…
…01111000011111011000111
311001202022000122120112220002
413003010111033003323013
513030324113110314444
6145531515400031515
76346316623206650
oct703042517037307
9131668018515802
1030997135244999
1199708a1830130
123587551a6259b
13143b02c057491
147923ab154527
1538b48ecb3d4e
hex1c31153c3ec7

30997135244999 has 32 divisors (see below), whose sum is σ = 40061196919296. Its totient is φ = 23281177576320.

The previous prime is 30997135244917. The next prime is 30997135245017. The reversal of 30997135244999 is 99944253179903.

It is a cyclic number.

It is not a de Polignac number, because 30997135244999 - 216 = 30997135179463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30997135244599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50536304 + ... + 51145989.

It is an arithmetic number, because the mean of its divisors is an integer number (1251912403728).

Almost surely, 230997135244999 is an apocalyptic number.

30997135244999 is a deficient number, since it is larger than the sum of its proper divisors (9064061674297).

30997135244999 is a wasteful number, since it uses less digits than its factorization.

30997135244999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101682455.

The product of its (nonzero) digits is 595213920, while the sum is 74.

The spelling of 30997135244999 in words is "thirty trillion, nine hundred ninety-seven billion, one hundred thirty-five million, two hundred forty-four thousand, nine hundred ninety-nine".

Divisors: 1 7 11 37 77 107 259 407 749 1177 2849 3959 8239 27713 43549 304843 101682293 711776051 1118505223 3762244841 7829536561 10880005351 26335713887 41384693251 76160037457 119680058861 289692852757 402560197987 837760412027 2817921385909 4428162177857 30997135244999