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24946205140 = 2256783922189
BaseRepresentation
bin10111001110111010…
…001110000111010100
32101101112200112010201
4113032322032013110
5402042212031030
615243215430244
71542122150023
oct271672160724
971345615121
1024946205140
11a64153416a
124a02525384
13247734ca3c
1412c91828ba
159b00e82ca
hex5cee8e1d4

24946205140 has 48 divisors (see below), whose sum is σ = 53234697600. Its totient is φ = 9817391232.

The previous prime is 24946205129. The next prime is 24946205143. The reversal of 24946205140 is 4150264942.

It is a self number, because there is not a number n which added to its sum of digits gives 24946205140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24946205143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113166 + ... + 1135354.

It is an arithmetic number, because the mean of its divisors is an integer number (1109056200).

Almost surely, 224946205140 is an apocalyptic number.

24946205140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24946205140 is an abundant number, since it is smaller than the sum of its proper divisors (28288492460).

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

24946205140 is a wasteful number, since it uses less digits than its factorization.

24946205140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23104 (or 23102 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 24946205140 in words is "twenty-four billion, nine hundred forty-six million, two hundred five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 839 1340 1678 3356 4195 8390 16780 22189 44378 56213 88756 110945 112426 221890 224852 281065 443780 562130 1124260 1486663 2973326 5946652 7433315 14866630 18616571 29733260 37233142 74466284 93082855 186165710 372331420 1247310257 2494620514 4989241028 6236551285 12473102570 24946205140