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26438428754 = 230114390307
BaseRepresentation
bin11000100111110110…
…100110100001010010
32112020112120100002222
4120213312212201102
5413121214210004
620051243141042
71624111636133
oct304766464122
975215510088
1026438428754
1110237892921
12515a214782
13265454b5aa
1413cb41dc8a
15a4b1087be
hex627da6852

26438428754 has 8 divisors (see below), whose sum is σ = 39670823088. Its totient is φ = 13214821060.

The previous prime is 26438428741. The next prime is 26438428759. The reversal of 26438428754 is 45782483462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 26438428696 and 26438428705.

It is not an unprimeable number, because it can be changed into a prime (26438428759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189132 + ... + 2201175.

It is an arithmetic number, because the mean of its divisors is an integer number (4958852886).

Almost surely, 226438428754 is an apocalyptic number.

26438428754 is a deficient number, since it is larger than the sum of its proper divisors (13232394334).

26438428754 is a wasteful number, since it uses less digits than its factorization.

26438428754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393320.

The product of its digits is 10321920, while the sum is 53.

The spelling of 26438428754 in words is "twenty-six billion, four hundred thirty-eight million, four hundred twenty-eight thousand, seven hundred fifty-four".

Divisors: 1 2 3011 6022 4390307 8780614 13219214377 26438428754