Search a number
-
+
11452505240 = 2351126028421
BaseRepresentation
bin10101010101001111…
…10101110010011000
31002120010220112201202
422222213311302120
5141423320131430
65132230533332
7553542455051
oct125247656230
932503815652
1011452505240
114947705770
122277507248
1311068c0727
147a9021728
15470674d45
hex2aa9f5c98

11452505240 has 32 divisors (see below), whose sum is σ = 28110695760. Its totient is φ = 4164547200.

The previous prime is 11452505191. The next prime is 11452505249. The reversal of 11452505240 is 4250525411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452505249) 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, 13013771 + ... + 13014650.

Almost surely, 211452505240 is an apocalyptic number.

11452505240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11452505240 is an abundant number, since it is smaller than the sum of its proper divisors (16658190520).

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

11452505240 is a wasteful number, since it uses less digits than its factorization.

11452505240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26028443 (or 26028439 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 11452505240 in words is "eleven billion, four hundred fifty-two million, five hundred five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 26028421 52056842 104113684 130142105 208227368 260284210 286312631 520568420 572625262 1041136840 1145250524 1431563155 2290501048 2863126310 5726252620 11452505240