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13122241332 = 22345714891607
BaseRepresentation
bin11000011100010010…
…11000001100110100
31020212111210221001020
430032021120030310
5203333243210312
610010035101140
7643116132234
oct141611301464
936774727036
1013122241332
115624188152
1226627417b0
131311801b55
148c6aa9cc4
1551c04b78c
hex30e258334

13122241332 has 48 divisors (see below), whose sum is σ = 30725278080. Its totient is φ = 4358863872.

The previous prime is 13122241331. The next prime is 13122241343. The reversal of 13122241332 is 23314222131.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122241331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8164873 + ... + 8166479.

It is an arithmetic number, because the mean of its divisors is an integer number (640109960).

Almost surely, 213122241332 is an apocalyptic number.

13122241332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13122241332 is an abundant number, since it is smaller than the sum of its proper divisors (17603036748).

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

13122241332 is a wasteful number, since it uses less digits than its factorization.

13122241332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560 (or 3558 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 13122241332 its reverse (23314222131), we get a palindrome (36436463463).

The spelling of 13122241332 in words is "thirteen billion, one hundred twenty-two million, two hundred forty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 457 914 1371 1489 1607 1828 2742 2978 3214 4467 4821 5484 5956 6428 8934 9642 17868 19284 680473 734399 1360946 1468798 2041419 2203197 2392823 2721892 2937596 4082838 4406394 4785646 7178469 8165676 8812788 9571292 14356938 28713876 1093520111 2187040222 3280560333 4374080444 6561120666 13122241332