Search a number
-
+
26477026436 = 22747149135029
BaseRepresentation
bin11000101010001001…
…110101110010000100
32112100020012022011202
4120222021311302010
5413211104321221
620055142322032
71625061003620
oct305211656204
975306168152
1026477026436
1110257655933
12516b129318
13265c543a63
1413d25ca180
15a4e6ced0b
hex62a275c84

26477026436 has 48 divisors (see below), whose sum is σ = 54444096000. Its totient is φ = 11031247488.

The previous prime is 26477026423. The next prime is 26477026439. The reversal of 26477026436 is 63462077462.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (26477026439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128570 + ... + 263598.

It is an arithmetic number, because the mean of its divisors is an integer number (1134252000).

Almost surely, 226477026436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26477026436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27222048000).

26477026436 is an abundant number, since it is smaller than the sum of its proper divisors (27967069564).

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

26477026436 is a wasteful number, since it uses less digits than its factorization.

26477026436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135236 (or 135234 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 47.

It can be divided in two parts, 26477026 and 436, that added together give a palindrome (26477462).

The spelling of 26477026436 in words is "twenty-six billion, four hundred seventy-seven million, twenty-six thousand, four hundred thirty-six".

Divisors: 1 2 4 7 14 28 47 94 149 188 298 329 596 658 1043 1316 2086 4172 7003 14006 28012 49021 98042 135029 196084 270058 540116 945203 1890406 3780812 6346363 12692726 20119321 25385452 40238642 44424541 80477284 88849082 140835247 177698164 281670494 563340988 945608087 1891216174 3782432348 6619256609 13238513218 26477026436