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1352311643430 = 23251123149398591
BaseRepresentation
bin10011101011011100000…
…011100001110100100110
311210021112220221021111100
4103223130003201310212
5134124013240042210
62513124323420530
7166462354211346
oct23533403416446
94707486837440
101352311643430
1148156a739160
1219a106524746
139a6a3a57bc7
1449648cd8d26
152529b6db5c0
hex13adc0e1d26

1352311643430 has 192 divisors, whose sum is σ = 4029286809600. Its totient is φ = 311474169600.

The previous prime is 1352311643413. The next prime is 1352311643477. The reversal of 1352311643430 is 343461132531.

1352311643430 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 3 + 1 + 1 + 643 + 4 + 3 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3193435 + ... + 3592025.

It is an arithmetic number, because the mean of its divisors is an integer number (20985868800).

Almost surely, 21352311643430 is an apocalyptic number.

1352311643430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1352311643430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2014643404800).

1352311643430 is an abundant number, since it is smaller than the sum of its proper divisors (2676975166170).

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

1352311643430 is a wasteful number, since it uses less digits than its factorization.

1352311643430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398787 (or 398784 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 1352311643430 its reverse (343461132531), we get a palindrome (1695772775961).

The spelling of 1352311643430 in words is "one trillion, three hundred fifty-two billion, three hundred eleven million, six hundred forty-three thousand, four hundred thirty".