Search a number
-
+
13655722528 = 257557310939
BaseRepresentation
bin11001011011111000…
…11100101000100000
31022020200122120200001
430231330130220200
5210431331110103
610135013305344
7662254504060
oct145574345040
938220576601
1013655722528
1158783324a8
122791335254
1313981aa5b6
149378993a0
1554dcca01d
hex32df1ca20

13655722528 has 48 divisors (see below), whose sum is σ = 30733698240. Its totient is φ = 5850867456.

The previous prime is 13655722517. The next prime is 13655722529. The reversal of 13655722528 is 82522755631.

It is not an unprimeable number, because it can be changed into a prime (13655722529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242883 + ... + 1253821.

It is an arithmetic number, because the mean of its divisors is an integer number (640285380).

Almost surely, 213655722528 is an apocalyptic number.

It is an amenable number.

13655722528 is an abundant number, since it is smaller than the sum of its proper divisors (17077975712).

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

13655722528 is a wasteful number, since it uses less digits than its factorization.

13655722528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16529 (or 16521 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The spelling of 13655722528 in words is "thirteen billion, six hundred fifty-five million, seven hundred twenty-two thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 5573 10939 11146 21878 22292 39011 43756 44584 76573 78022 87512 89168 153146 156044 175024 178336 306292 312088 350048 612584 624176 1225168 1248352 2450336 60963047 121926094 243852188 426741329 487704376 853482658 975408752 1706965316 1950817504 3413930632 6827861264 13655722528