Search a number
-
+
26155938980 = 22547271102677
BaseRepresentation
bin11000010111000000…
…111111010010100100
32111111212000100222202
4120113000333102210
5412031410021410
620003232314032
71614111545603
oct302700772244
974455010882
1026155938980
11101023890a6
12509b6a2918
13260ab71892
1413a1ac7a3a
15a31407ca5
hex61703f4a4

26155938980 has 48 divisors (see below), whose sum is σ = 56303686656. Its totient is φ = 10201887360.

The previous prime is 26155938979. The next prime is 26155939001. The reversal of 26155938980 is 8983955162.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203402 + ... + 306078.

It is an arithmetic number, because the mean of its divisors is an integer number (1172993472).

Almost surely, 226155938980 is an apocalyptic number.

26155938980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26155938980 is an abundant number, since it is smaller than the sum of its proper divisors (30147747676).

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

26155938980 is a wasteful number, since it uses less digits than its factorization.

26155938980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103004 (or 103002 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 26155938980 in words is "twenty-six billion, one hundred fifty-five million, nine hundred thirty-eight thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 271 470 542 940 1084 1355 2710 5420 12737 25474 50948 63685 102677 127370 205354 254740 410708 513385 1026770 2053540 4825819 9651638 19303276 24129095 27825467 48258190 55650934 96516380 111301868 139127335 278254670 556509340 1307796949 2615593898 5231187796 6538984745 13077969490 26155938980