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19752425000 = 235571131331
BaseRepresentation
bin10010011001010101…
…100001011000101000
31212222120200011012022
4102121111201120220
5310423110100000
613024003004012
71266324561620
oct223125413050
955876604168
1019752425000
118416802290
1239b3069608
131b2a303c59
14d5547b880
157a9165585
hex499561628

19752425000 has 384 divisors, whose sum is σ = 59756175360. Its totient is φ = 5940000000.

The previous prime is 19752424921. The next prime is 19752425009. The reversal of 19752425000 is 52425791.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19752425009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59674835 + ... + 59675165.

It is an arithmetic number, because the mean of its divisors is an integer number (155615040).

Almost surely, 219752425000 is an apocalyptic number.

19752425000 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 19752425000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29878087680).

19752425000 is an abundant number, since it is smaller than the sum of its proper divisors (40003750360).

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

19752425000 is a wasteful number, since it uses less digits than its factorization.

19752425000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 19752425000 in words is "nineteen billion, seven hundred fifty-two million, four hundred twenty-five thousand".