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19726920060 = 22353110605871
BaseRepresentation
bin10010010111110100…
…001110100101111100
31212220210200100222220
4102113310032211330
5310400042420220
613021252205340
71265565024321
oct222764164574
955823610886
1019726920060
118403372021
1239a6609850
131b24c43c83
14d51d1cb48
157a6cc8540
hex497d0e97c

19726920060 has 48 divisors (see below), whose sum is σ = 57017167872. Its totient is φ = 5090817600.

The previous prime is 19726920049. The next prime is 19726920089. The reversal of 19726920060 is 6002962791.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19726919994 and 19726920021.

It is a congruent number.

It is an unprimeable number.

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, 5301076 + ... + 5304795.

It is an arithmetic number, because the mean of its divisors is an integer number (1187857664).

Almost surely, 219726920060 is an apocalyptic number.

19726920060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19726920060 is an abundant number, since it is smaller than the sum of its proper divisors (37290247812).

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

19726920060 is a wasteful number, since it uses less digits than its factorization.

19726920060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10605914 (or 10605912 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 19726920060 in words is "nineteen billion, seven hundred twenty-six million, nine hundred twenty thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 10605871 21211742 31817613 42423484 53029355 63635226 106058710 127270452 159088065 212117420 318176130 328782001 636352260 657564002 986346003 1315128004 1643910005 1972692006 3287820010 3945384012 4931730015 6575640020 9863460030 19726920060