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26627540140 = 2253893422563
BaseRepresentation
bin11000110011001000…
…000000010010101100
32112201201102012011101
4120303020000102230
5414013122241030
620122120332444
71631566233235
oct306310002254
975651365141
1026627540140
1110324609023
1251b1614124
132684792716
1414085aa08c
15a5ca117ca
hex6332004ac

26627540140 has 24 divisors (see below), whose sum is σ = 56061598320. Its totient is φ = 10623632448.

The previous prime is 26627540099. The next prime is 26627540201. The reversal of 26627540140 is 4104572662.

It is a super-2 number, since 2×266275401402 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26627540140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703502 + ... + 1719061.

It is an arithmetic number, because the mean of its divisors is an integer number (2335899930).

Almost surely, 226627540140 is an apocalyptic number.

26627540140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26627540140 is an abundant number, since it is smaller than the sum of its proper divisors (29434058180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26627540140 is a wasteful number, since it uses less digits than its factorization.

26627540140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422961 (or 3422959 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 26627540140 in words is "twenty-six billion, six hundred twenty-seven million, five hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 389 778 1556 1945 3890 7780 3422563 6845126 13690252 17112815 34225630 68451260 1331377007 2662754014 5325508028 6656885035 13313770070 26627540140