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26430201451 = 61433281991
BaseRepresentation
bin11000100111010111…
…001101111001101011
32112012222002100101001
4120213113031321223
5413112112421301
620050350535431
71623652001623
oct304727157153
975188070331
1026430201451
11102331835a5
125157507577
13265292a874
1413ca2bb883
15a4a530c01
hex6275cde6b

26430201451 has 4 divisors (see below), whose sum is σ = 26863483504. Its totient is φ = 25996919400.

The previous prime is 26430201437. The next prime is 26430201481. The reversal of 26430201451 is 15410203462.

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 26430201451 - 213 = 26430193259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26430201401) 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, 216640935 + ... + 216641056.

It is an arithmetic number, because the mean of its divisors is an integer number (6715870876).

Almost surely, 226430201451 is an apocalyptic number.

26430201451 is a deficient number, since it is larger than the sum of its proper divisors (433282053).

26430201451 is an equidigital number, since it uses as much as digits as its factorization.

26430201451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433282052.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 26430201451 in words is "twenty-six billion, four hundred thirty million, two hundred one thousand, four hundred fifty-one".

Divisors: 1 61 433281991 26430201451