Search a number
-
+
19386382093692 = 223171911371961561
BaseRepresentation
bin1000110100001101111100…
…11010110000110101111100
32112122022122022010010121020
410122012332122300311330
510020111302303444232
6105121551520504140
74040422422621045
oct432067632606574
975568568103536
1019386382093692
1161a479a320a19
12221126417b050
13aa8188259803
144b043d5638cc
1523943e70ce2c
hex11a1be6b0d7c

19386382093692 has 192 divisors, whose sum is σ = 50934330316800. Its totient is φ = 5702871121920.

The previous prime is 19386382093669. The next prime is 19386382093753. The reversal of 19386382093692 is 29639028368391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 314882592 + ... + 314944152.

It is an arithmetic number, because the mean of its divisors is an integer number (265282970400).

Almost surely, 219386382093692 is an apocalyptic number.

19386382093692 is a gapful number since it is divisible by the number (12) 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 19386382093692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25467165158400).

19386382093692 is an abundant number, since it is smaller than the sum of its proper divisors (31547948223108).

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

19386382093692 is a wasteful number, since it uses less digits than its factorization.

19386382093692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62436 (or 62434 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 69.

The spelling of 19386382093692 in words is "nineteen trillion, three hundred eighty-six billion, three hundred eighty-two million, ninety-three thousand, six hundred ninety-two".