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11389718620896 = 253711171973101647
BaseRepresentation
bin1010010110111110000000…
…1000011110101011100000
31111022211212001222212121120
42211233200020132223200
52443102120431332041
640120210422052240
72253610562616210
oct245574010365340
944284761885546
1011389718620896
1136a1397260a90
12133b4a187a080
13648079996905
142b53a008c240
1514b415663366
hexa5be021eae0

11389718620896 has 1536 divisors, whose sum is σ = 42597211668480. Its totient is φ = 2571927552000.

The previous prime is 11389718620859. The next prime is 11389718620937. The reversal of 11389718620896 is 69802681798311.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11389718620896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 17603892445 + ... + 17603893091.

It is an arithmetic number, because the mean of its divisors is an integer number (27732559680).

Almost surely, 211389718620896 is an apocalyptic number.

11389718620896 is a gapful number since it is divisible by the number (16) 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 11389718620896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21298605834240).

11389718620896 is an abundant number, since it is smaller than the sum of its proper divisors (31207493047584).

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

11389718620896 is a wasteful number, since it uses less digits than its factorization.

11389718620896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 69.

The spelling of 11389718620896 in words is "eleven trillion, three hundred eighty-nine billion, seven hundred eighteen million, six hundred twenty thousand, eight hundred ninety-six".