Search a number
-
+
27452370644140 = 22513105586040939
BaseRepresentation
bin1100011110111110000001…
…10011001110110010101100
310121012102100220121020001111
412033133000303032302230
512044234423341103030
6134215240040321404
75532240223225621
oct617370063166254
9117172326536044
1027452370644140
118824537601862
1230b4553473264
131241994198310
146ac9b7b64348
153291749eb62a
hex18f7c0ccecac

27452370644140 has 24 divisors (see below), whose sum is σ = 62084592072720. Its totient is φ = 10136259930048.

The previous prime is 27452370644137. The next prime is 27452370644141. The reversal of 27452370644140 is 4144607325472.

It is not an unprimeable number, because it can be changed into a prime (27452370644141) 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, 52793020210 + ... + 52793020729.

It is an arithmetic number, because the mean of its divisors is an integer number (2586858003030).

Almost surely, 227452370644140 is an apocalyptic number.

27452370644140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27452370644140 is an abundant number, since it is smaller than the sum of its proper divisors (34632221428580).

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

27452370644140 is a wasteful number, since it uses less digits than its factorization.

27452370644140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105586040961 (or 105586040959 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 49.

The spelling of 27452370644140 in words is "twenty-seven trillion, four hundred fifty-two billion, three hundred seventy million, six hundred forty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 105586040939 211172081878 422344163756 527930204695 1055860409390 1372618532207 2111720818780 2745237064414 5490474128828 6863092661035 13726185322070 27452370644140