Search a number
-
+
26139127738 = 247985728211
BaseRepresentation
bin11000010110000000…
…110110111110111010
32111110200101021022011
4120112000312332322
5412013104041423
620001432120134
71613515630333
oct302600667672
974420337264
1026139127738
11100a3946609
125095b3604a
1326075369b9
14139d78d28a
15a2ebd6b0d
hex616036fba

26139127738 has 16 divisors (see below), whose sum is σ = 40048401024. Its totient is φ = 12789736960.

The previous prime is 26139127727. The next prime is 26139127787. The reversal of 26139127738 is 83772193162.

It is a junction number, because it is equal to n+sod(n) for n = 26139127691 and 26139127700.

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, 912453 + ... + 940663.

It is an arithmetic number, because the mean of its divisors is an integer number (2503025064).

Almost surely, 226139127738 is an apocalyptic number.

26139127738 is a deficient number, since it is larger than the sum of its proper divisors (13909273286).

26139127738 is a wasteful number, since it uses less digits than its factorization.

26139127738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38117.

The product of its digits is 762048, while the sum is 49.

The spelling of 26139127738 in words is "twenty-six billion, one hundred thirty-nine million, one hundred twenty-seven thousand, seven hundred thirty-eight".

Divisors: 1 2 47 94 9857 19714 28211 56422 463279 926558 1325917 2651834 278075827 556151654 13069563869 26139127738