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19430189000731 = 37565992797357
BaseRepresentation
bin1000110101011111100011…
…00000110110100000011011
32112210111201021112120210201
410122233301200312200123
510021321011341010411
6105154034450523031
74043533124316145
oct432576140664033
975714637476721
1019430189000731
11621132a168623
12221984ab96477
13aac349c24292
144b25d757dc95
1523a6555273c1
hex11abf183681b

19430189000731 has 8 divisors (see below), whose sum is σ = 19958855758640. Its totient is φ = 18901707848928.

The previous prime is 19430189000713. The next prime is 19430189000753. The reversal of 19430189000731 is 13700098103491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19430189000731 - 215 = 19430188967963 is a prime.

It is a super-2 number, since 2×194301890007312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19430189000701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46189296 + ... + 46608061.

It is an arithmetic number, because the mean of its divisors is an integer number (2494856969830).

Almost surely, 219430189000731 is an apocalyptic number.

19430189000731 is a deficient number, since it is larger than the sum of its proper divisors (528666757909).

19430189000731 is an equidigital number, since it uses as much as digits as its factorization.

19430189000731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92803053.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 19430189000731 in words is "nineteen trillion, four hundred thirty billion, one hundred eighty-nine million, seven hundred thirty-one", and thus it is an aban number.

Divisors: 1 37 5659 209383 92797357 3433502209 525140243263 19430189000731