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12124265240 = 235303106631
BaseRepresentation
bin10110100101010100…
…11001101100011000
31011021221221111012202
423102222121230120
5144312302441430
65323025025332
7606310361033
oct132252315430
934257844182
1012124265240
115161916a1a
122424485248
1311b2b22c59
1483032801a
154ae619d45
hex2d2a99b18

12124265240 has 16 divisors (see below), whose sum is σ = 27279596880. Its totient is φ = 4849706080.

The previous prime is 12124265227. The next prime is 12124265243. The reversal of 12124265240 is 4256242121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124265243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151553276 + ... + 151553355.

It is an arithmetic number, because the mean of its divisors is an integer number (1704974805).

Almost surely, 212124265240 is an apocalyptic number.

12124265240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12124265240 is an abundant number, since it is smaller than the sum of its proper divisors (15155331640).

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

12124265240 is a wasteful number, since it uses less digits than its factorization.

12124265240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303106642 (or 303106638 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 12124265240 in words is "twelve billion, one hundred twenty-four million, two hundred sixty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 303106631 606213262 1212426524 1515533155 2424853048 3031066310 6062132620 12124265240