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29993702364971 = 97309213426443
BaseRepresentation
bin1101101000111011100111…
…11110011001011100101011
310221012100222200120202022022
412310131303332121130223
512412404100301134341
6143442525555015055
76213654622361222
oct664356376313453
9127170880522268
1029993702364971
119614292061704
123444b9229a48b
1313975177c2ca7
147599bac21cb9
15370311e9ce4b
hex1b4773f9972b

29993702364971 has 4 divisors (see below), whose sum is σ = 30302915791512. Its totient is φ = 29684488938432.

The previous prime is 29993702364947. The next prime is 29993702365073. The reversal of 29993702364971 is 17946320739992.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29993702364971 - 26 = 29993702364907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29993702364895 and 29993702364904.

It is not an unprimeable number, because it can be changed into a prime (29993702364071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154606713125 + ... + 154606713318.

It is an arithmetic number, because the mean of its divisors is an integer number (7575728947878).

Almost surely, 229993702364971 is an apocalyptic number.

29993702364971 is a deficient number, since it is larger than the sum of its proper divisors (309213426541).

29993702364971 is an equidigital number, since it uses as much as digits as its factorization.

29993702364971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309213426540.

The product of its (nonzero) digits is 277766496, while the sum is 71.

The spelling of 29993702364971 in words is "twenty-nine trillion, nine hundred ninety-three billion, seven hundred two million, three hundred sixty-four thousand, nine hundred seventy-one".

Divisors: 1 97 309213426443 29993702364971