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71424990000 = 2435547131719
BaseRepresentation
bin100001010000101000…
…0101101101100110000
320211100201201102200000
41002201100231230300
52132234244140000
652451233230000
75105656253310
oct1024120555460
9224321642600
1071424990000
11283225aa161
1211a14102300
1369737358c0
143657d91440
151cd0790000
hex10a142db30

71424990000 has 2400 divisors, whose sum is σ = 355332257280. Its totient is φ = 13436928000.

The previous prime is 71424989989. The next prime is 71424990023. The reversal of 71424990000 is 9942417.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 3759209991 + ... + 3759210009.

Almost surely, 271424990000 is an apocalyptic number.

71424990000 is a gapful number since it is divisible by the number (70) 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 71424990000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177666128640).

71424990000 is an abundant number, since it is smaller than the sum of its proper divisors (283907267280).

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

71424990000 is a wasteful number, since it uses less digits than its factorization.

71424990000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 71424990000 in words is "seventy-one billion, four hundred twenty-four million, nine hundred ninety thousand".