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19014149952 = 263475983107
BaseRepresentation
bin10001101101010101…
…001110011101000000
31211002010110220020000
4101231111032131000
5302420110244302
612422431120000
71242121415340
oct215525163500
954063426200
1019014149952
118077aa0316
123827973000
131a40383205
14cc53bcd20
1576443231c
hex46d54e740

19014149952 has 560 divisors, whose sum is σ = 66916523520. Its totient is φ = 5226882048.

The previous prime is 19014149951. The next prime is 19014149977. The reversal of 19014149952 is 25994141091.

19014149952 is a `hidden beast` number, since 19 + 0 + 141 + 499 + 5 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19014149898 and 19014149907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19014149951) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 177702283 + ... + 177702389.

It is an arithmetic number, because the mean of its divisors is an integer number (119493792).

Almost surely, 219014149952 is an apocalyptic number.

19014149952 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 19014149952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33458261760).

19014149952 is an abundant number, since it is smaller than the sum of its proper divisors (47902373568).

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

19014149952 is a wasteful number, since it uses less digits than its factorization.

19014149952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 19014149952 in words is "nineteen billion, fourteen million, one hundred forty-nine thousand, nine hundred fifty-two".