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29809245453 = 31331107230431
BaseRepresentation
bin11011110000110001…
…001111110100001101
32211221110100120022220
4123300301033310031
5442022131323303
621405535325553
72103462256101
oct336061176415
984843316286
1029809245453
11117075a6349
12593b0808b9
132a709c70a0
14162ad91901
15b96ee9053
hex6f0c4fd0d

29809245453 has 32 divisors (see below), whose sum is σ = 44596887552. Its totient is φ = 17586417600.

The previous prime is 29809245451. The next prime is 29809245467. The reversal of 29809245453 is 35454290892.

It is not a de Polignac number, because 29809245453 - 21 = 29809245451 is a prime.

It is a super-2 number, since 2×298092454532 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29809245396 and 29809245405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29809245451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14148 + ... + 244578.

It is an arithmetic number, because the mean of its divisors is an integer number (1393652736).

Almost surely, 229809245453 is an apocalyptic number.

It is an amenable number.

29809245453 is a deficient number, since it is larger than the sum of its proper divisors (14787642099).

29809245453 is a wasteful number, since it uses less digits than its factorization.

29809245453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230585.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 29809245453 in words is "twenty-nine billion, eight hundred nine million, two hundred forty-five thousand, four hundred fifty-three".

Divisors: 1 3 13 31 39 93 107 321 403 1209 1391 3317 4173 9951 43121 129363 230431 691293 2995603 7143361 8986809 21430083 24656117 73968351 92863693 278591079 320529521 764339627 961588563 2293018881 9936415151 29809245453