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245936881720 = 2356148422043
BaseRepresentation
bin1110010100001011111…
…0110000000000111000
3212111210202122001200001
43211002332300000320
513012134320203340
6304552024522344
723524355000605
oct3450276600070
9774722561601
10245936881720
1195334a5a362
123b7b79203b4
131a26536b0aa
14bc90d4b6ac
1565e627729a
hex3942fb0038

245936881720 has 16 divisors (see below), whose sum is σ = 553357983960. Its totient is φ = 98374752672.

The previous prime is 245936881691. The next prime is 245936881727. The reversal of 245936881720 is 27188639542.

245936881720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245936881727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3074210982 + ... + 3074211061.

It is a 1-persistent number, because it is pandigital, but 2⋅245936881720 = 491873763440 is not.

Almost surely, 2245936881720 is an apocalyptic number.

245936881720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245936881720 is an abundant number, since it is smaller than the sum of its proper divisors (307421102240).

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

245936881720 is a wasteful number, since it uses less digits than its factorization.

245936881720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148422054 (or 6148422050 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 245936881720 in words is "two hundred forty-five billion, nine hundred thirty-six million, eight hundred eighty-one thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 6148422043 12296844086 24593688172 30742110215 49187376344 61484220430 122968440860 245936881720