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26230101447661 = 80347932645659
BaseRepresentation
bin1011111011011001010111…
…11000010001001111101101
310102212120110212110201110021
411331230223320101033231
511414223221432311121
6131441535305442141
75345030236410526
oct575545370211755
9112776425421407
1026230101447661
1183a313a4a4861
122b3769baa0351
131183646057497
14669787c2384d
15307489c5a641
hex17db2be113ed

26230101447661 has 4 divisors (see below), whose sum is σ = 26230134896800. Its totient is φ = 26230067998524.

The previous prime is 26230101447647. The next prime is 26230101447727. The reversal of 26230101447661 is 16674410103262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26230101447661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26230101447611) 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, 15519351 + ... + 17126308.

It is an arithmetic number, because the mean of its divisors is an integer number (6557533724200).

Almost surely, 226230101447661 is an apocalyptic number.

It is an amenable number.

26230101447661 is a deficient number, since it is larger than the sum of its proper divisors (33449139).

26230101447661 is an equidigital number, since it uses as much as digits as its factorization.

26230101447661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33449138.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 26230101447661 in words is "twenty-six trillion, two hundred thirty billion, one hundred one million, four hundred forty-seven thousand, six hundred sixty-one".

Divisors: 1 803479 32645659 26230101447661