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245389843608 = 2337213791991021
BaseRepresentation
bin1110010010001001011…
…1111101110010011000
3212110101122021122110020
43210202113331302120
513010024244443413
6304421443550440
723504663153400
oct3444227756230
9773348248406
10245389843608
1195084195548
123b68468b420
131a1a8c26ac0
14bc3c42d800
1565b321bc23
hex39225fdc98

245389843608 has 384 divisors, whose sum is σ = 782933760000. Its totient is φ = 63515612160.

The previous prime is 245389843591. The next prime is 245389843619. The reversal of 245389843608 is 806348983542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 240342138 + ... + 240343158.

It is an arithmetic number, because the mean of its divisors is an integer number (2038890000).

Almost surely, 2245389843608 is an apocalyptic number.

245389843608 is a gapful number since it is divisible by the number (28) 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 245389843608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391466880000).

245389843608 is an abundant number, since it is smaller than the sum of its proper divisors (537543916392).

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

245389843608 is a wasteful number, since it uses less digits than its factorization.

245389843608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 60.

The spelling of 245389843608 in words is "two hundred forty-five billion, three hundred eighty-nine million, eight hundred forty-three thousand, six hundred eight".