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19344148632 = 23321729593919
BaseRepresentation
bin10010000001000000…
…000100100010011000
31211221010102120022100
4102001000010202120
5304104100224012
612515300123400
71253236356534
oct220100044230
954833376270
1019344148632
1182272a41a6
1238ba396560
131a938554c3
14d17160bc4
157833b98dc
hex481004898

19344148632 has 192 divisors, whose sum is σ = 57544344000. Its totient is φ = 5843238912.

The previous prime is 19344148627. The next prime is 19344148633. The reversal of 19344148632 is 23684144391.

19344148632 is a `hidden beast` number, since 1 + 9 + 3 + 4 + 4 + 1 + 4 + 8 + 632 = 666.

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 (19344148633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21048669 + ... + 21049587.

It is an arithmetic number, because the mean of its divisors is an integer number (299710125).

Almost surely, 219344148632 is an apocalyptic number.

19344148632 is a gapful number since it is divisible by the number (12) 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 19344148632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28772172000).

19344148632 is an abundant number, since it is smaller than the sum of its proper divisors (38200195368).

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

19344148632 is a wasteful number, since it uses less digits than its factorization.

19344148632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1563 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 19344148632 in words is "nineteen billion, three hundred forty-four million, one hundred forty-eight thousand, six hundred thirty-two".