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1323981041420 = 22566199052071
BaseRepresentation
bin10011010001000011011…
…010110110111100001100
311200120102111220120122102
4103101003122312330030
5133143003121311140
62452121204334232
7164440325111132
oct23210332667414
94616374816572
101323981041420
11470551866594
1219471a6a4378
1397b0a4b638b
144811c48b752
152468e41de15
hex134436b6f0c

1323981041420 has 12 divisors (see below), whose sum is σ = 2780360187024. Its totient is φ = 529592416560.

The previous prime is 1323981041407. The next prime is 1323981041437. The reversal of 1323981041420 is 241401893231.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33099526016 + ... + 33099526055.

It is an arithmetic number, because the mean of its divisors is an integer number (231696682252).

Almost surely, 21323981041420 is an apocalyptic number.

1323981041420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323981041420 is an abundant number, since it is smaller than the sum of its proper divisors (1456379145604).

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

1323981041420 is a wasteful number, since it uses less digits than its factorization.

1323981041420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66199052080 (or 66199052078 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 1323981041420 in words is "one trillion, three hundred twenty-three billion, nine hundred eighty-one million, forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 66199052071 132398104142 264796208284 330995260355 661990520710 1323981041420