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24990898968 = 23327196833821
BaseRepresentation
bin10111010001100100…
…101101101100011000
32101111122210012112200
4113101210231230120
5402140132231333
615251453410200
71543204064520
oct272144555430
971448705480
1024990898968
11a664790312
124a15499960
13248369aba9
1412d1098680
159b3ec5c13
hex5d192db18

24990898968 has 192 divisors, whose sum is σ = 81564537600. Its totient is φ = 6752782080.

The previous prime is 24990898967. The next prime is 24990898969. The reversal of 24990898968 is 86989809942.

It is an interprime number because it is at equal distance from previous prime (24990898967) and next prime (24990898969).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 24990898896 and 24990898905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24990898967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6538498 + ... + 6542318.

It is an arithmetic number, because the mean of its divisors is an integer number (424815300).

Almost surely, 224990898968 is an apocalyptic number.

24990898968 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 24990898968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40782268800).

24990898968 is an abundant number, since it is smaller than the sum of its proper divisors (56573638632).

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

24990898968 is a wasteful number, since it uses less digits than its factorization.

24990898968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542 (or 4535 counting only the distinct ones).

The product of its (nonzero) digits is 161243136, while the sum is 72.

The spelling of 24990898968 in words is "twenty-four billion, nine hundred ninety million, eight hundred ninety-eight thousand, nine hundred sixty-eight".