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381285830000 = 245438128583
BaseRepresentation
bin1011000110001100110…
…10000000110101110000
31100110011110120000220102
411203012122000311300
522221333133030000
6451054342331532
736355422036425
oct5430632006560
91313143500812
10381285830000
1113777aa024a9
1261a8ba29ba8
1329c55479a7a
141465098dd4c
159db89be3d5
hex58c6680d70

381285830000 has 50 divisors (see below), whose sum is σ = 923131147224. Its totient is φ = 152514328000.

The previous prime is 381285829919. The next prime is 381285830017. The reversal of 381285830000 is 38582183.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19054292 + ... + 19074291.

Almost surely, 2381285830000 is an apocalyptic number.

It is an amenable number.

381285830000 is an abundant number, since it is smaller than the sum of its proper divisors (541845317224).

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

381285830000 is an equidigital number, since it uses as much as digits as its factorization.

381285830000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38128611 (or 38128590 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 381285830000 in words is "three hundred eighty-one billion, two hundred eighty-five million, eight hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 38128583 76257166 152514332 190642915 305028664 381285830 610057328 762571660 953214575 1525143320 1906429150 3050286640 3812858300 4766072875 7625716600 9532145750 15251433200 19064291500 23830364375 38128583000 47660728750 76257166000 95321457500 190642915000 381285830000