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4778007268320 = 25335111331249497
BaseRepresentation
bin100010110000111011101…
…1011010000101111100000
3121220202212112121220201000
41011201313123100233200
51111240324330041240
614054553005512000
71002125321450646
oct105416733205740
917822775556630
104778007268320
1115823835a4560
12652014b72600
132887445994c0
14127384897196
1584448607430
hex458776d0be0

4778007268320 has 768 divisors, whose sum is σ = 20280474869760. Its totient is φ = 1034709811200.

The previous prime is 4778007268319. The next prime is 4778007268369. The reversal of 4778007268320 is 238627008774.

4778007268320 is a `hidden beast` number, since 477 + 8 + 0 + 0 + 72 + 6 + 83 + 20 = 666.

It is a super-2 number, since 2×47780072683202 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19025812 + ... + 19275308.

It is an arithmetic number, because the mean of its divisors is an integer number (26406868320).

Almost surely, 24778007268320 is an apocalyptic number.

4778007268320 is a gapful number since it is divisible by the number (40) 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 4778007268320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10140237434880).

4778007268320 is an abundant number, since it is smaller than the sum of its proper divisors (15502467601440).

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

4778007268320 is a wasteful number, since it uses less digits than its factorization.

4778007268320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249576 (or 249562 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 4778007268320 in words is "four trillion, seven hundred seventy-eight billion, seven million, two hundred sixty-eight thousand, three hundred twenty".