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29954894830209 = 3310910178353663
BaseRepresentation
bin1101100111110011010101…
…10111011001101010000001
310221001122211010100201121000
412303321222313121222001
512411240111034031314
6143413031054522213
76211112134644366
oct663715267315201
9127048733321530
1029954894830209
1195a9888233428
123439561806369
1313939717c747b
14757b78b8246d
1536e2e0014209
hex1b3e6add9a81

29954894830209 has 16 divisors (see below), whose sum is σ = 44784756121600. Its totient is φ = 19786719518928.

The previous prime is 29954894830193. The next prime is 29954894830243. The reversal of 29954894830209 is 90203849845992.

29954894830209 is a `hidden beast` number, since 2 + 9 + 9 + 548 + 9 + 48 + 30 + 2 + 0 + 9 = 666.

It is not a de Polignac number, because 29954894830209 - 24 = 29954894830193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29954894870209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5089173889 + ... + 5089179774.

It is an arithmetic number, because the mean of its divisors is an integer number (2799047257600).

Almost surely, 229954894830209 is an apocalyptic number.

It is an amenable number.

29954894830209 is a deficient number, since it is larger than the sum of its proper divisors (14829861291391).

29954894830209 is a wasteful number, since it uses less digits than its factorization.

29954894830209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10178353781 (or 10178353775 counting only the distinct ones).

The product of its (nonzero) digits is 403107840, while the sum is 72.

The spelling of 29954894830209 in words is "twenty-nine trillion, nine hundred fifty-four billion, eight hundred ninety-four million, eight hundred thirty thousand, two hundred nine".

Divisors: 1 3 9 27 109 327 981 2943 10178353663 30535060989 91605182967 274815548901 1109440549267 3328321647801 9984964943403 29954894830209