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19496693760 = 212352231423
BaseRepresentation
bin10010001010000101…
…111111000000000000
31212022202110122212220
4102022011333000000
5304412123200020
612542345451040
71260101106525
oct221205770000
955282418786
1019496693760
1182a5414655
1239414a0a80
131ab93359ab
14d2d50d14c
1579199d240
hex48a17f000

19496693760 has 208 divisors, whose sum is σ = 62705577984. Its totient is φ = 5172166656.

The previous prime is 19496693759. The next prime is 19496693773. The reversal of 19496693760 is 6739669491.

It is a super-3 number, since 3×194966937603 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 19496693694 and 19496693703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13700409 + ... + 13701831.

Almost surely, 219496693760 is an apocalyptic number.

19496693760 is a gapful number since it is divisible by the number (10) 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 19496693760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31352788992).

19496693760 is an abundant number, since it is smaller than the sum of its proper divisors (43208884224).

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

19496693760 is a wasteful number, since it uses less digits than its factorization.

19496693760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 19496693760 in words is "nineteen billion, four hundred ninety-six million, six hundred ninety-three thousand, seven hundred sixty".