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1309214949120 = 2836513107927
BaseRepresentation
bin10011000011010011010…
…010101011111100000000
311122011022102220101000000
4103003103102223330000
5132422233011332440
62441240044000000
7163405365311301
oct23032322537400
94564272811000
101309214949120
11465264786921
12191899530000
13965c6267160
144751b3547a8
15240c7e10730
hex130d34abf00

1309214949120 has 504 divisors, whose sum is σ = 5063542708896. Its totient is φ = 322265309184.

The previous prime is 1309214949109. The next prime is 1309214949121. The reversal of 1309214949120 is 219494129031.

1309214949120 is a `hidden beast` number, since 1 + 30 + 9 + 2 + 1 + 494 + 9 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309214949121) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 12076597 + ... + 12184523.

It is an arithmetic number, because the mean of its divisors is an integer number (10046711724).

Almost surely, 21309214949120 is an apocalyptic number.

1309214949120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1309214949120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2531771354448).

1309214949120 is an abundant number, since it is smaller than the sum of its proper divisors (3754327759776).

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

1309214949120 is an equidigital number, since it uses as much as digits as its factorization.

1309214949120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107979 (or 107950 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 1309214949120 in words is "one trillion, three hundred nine billion, two hundred fourteen million, nine hundred forty-nine thousand, one hundred twenty".