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49928900939568 = 243272312332394099
BaseRepresentation
bin10110101101000111110100…
…11001111000111100110000
320112210011012221201202210100
423112203322121320330300
523021013342120031233
6254105004225432400
713342146465400500
oct1326437231707460
9215704187652710
1049928900939568
11149aa800a33712
12572467ba9b700
1321b2376696511
14c48800a59a00
155b8b72d01813
hex2d68fa678f30

49928900939568 has 720 divisors, whose sum is σ = 169254738432000. Its totient is φ = 13685122160640.

The previous prime is 49928900939527. The next prime is 49928900939587. The reversal of 49928900939568 is 86593900982994.

It is a happy number.

49928900939568 is a `hidden beast` number, since 4 + 9 + 92 + 89 + 0 + 0 + 9 + 395 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12180749583 + ... + 12180753681.

It is an arithmetic number, because the mean of its divisors is an integer number (235076025600).

Almost surely, 249928900939568 is an apocalyptic number.

49928900939568 is a gapful number since it is divisible by the number (48) 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 49928900939568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84627369216000).

49928900939568 is an abundant number, since it is smaller than the sum of its proper divisors (119325837492432).

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

49928900939568 is a wasteful number, since it uses less digits than its factorization.

49928900939568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630 (or 4614 counting only the distinct ones).

The product of its (nonzero) digits is 2720977920, while the sum is 81.

The spelling of 49928900939568 in words is "forty-nine trillion, nine hundred twenty-eight billion, nine hundred million, nine hundred thirty-nine thousand, five hundred sixty-eight".