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19506242496 = 2631389277317
BaseRepresentation
bin10010001010101010…
…011010001111000000
31212100102102210021210
4102022222122033000
5304422044224441
612543330250120
71260245216436
oct221252321700
955312383253
1019506242496
1182aa846774
123944726940
131abb2ca030
14d308b6d56
15792737616
hex48aa9a3c0

19506242496 has 224 divisors, whose sum is σ = 56585632320. Its totient is φ = 5894406144.

The previous prime is 19506242453. The next prime is 19506242513. The reversal of 19506242496 is 69424260591.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61533730 + ... + 61534046.

It is an arithmetic number, because the mean of its divisors is an integer number (252614430).

Almost surely, 219506242496 is an apocalyptic number.

19506242496 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 19506242496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28292816160).

19506242496 is an abundant number, since it is smaller than the sum of its proper divisors (37079389824).

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

19506242496 is a wasteful number, since it uses less digits than its factorization.

19506242496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 19506242496 in words is "nineteen billion, five hundred six million, two hundred forty-two thousand, four hundred ninety-six".