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12333552540 = 2235205559209
BaseRepresentation
bin10110111110010001…
…10001001110011100
31011211112202101102020
423133020301032130
5200224342140130
65355502500140
7614431316061
oct133710611634
934745671366
1012333552540
115259a72631
122482594650
1312172ac5aa
14850046c68
154c2baae10
hex2df23139c

12333552540 has 24 divisors (see below), whose sum is σ = 34533947280. Its totient is φ = 3288947328.

The previous prime is 12333552533. The next prime is 12333552541. The reversal of 12333552540 is 4525533321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12333552541) 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, 102779545 + ... + 102779664.

It is an arithmetic number, because the mean of its divisors is an integer number (1438914470).

Almost surely, 212333552540 is an apocalyptic number.

12333552540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12333552540 is an abundant number, since it is smaller than the sum of its proper divisors (22200394740).

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

12333552540 is a wasteful number, since it uses less digits than its factorization.

12333552540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205559221 (or 205559219 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

The spelling of 12333552540 in words is "twelve billion, three hundred thirty-three million, five hundred fifty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 205559209 411118418 616677627 822236836 1027796045 1233355254 2055592090 2466710508 3083388135 4111184180 6166776270 12333552540