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193083729405 = 3571838892661
BaseRepresentation
bin1011001111010010101…
…1111110010111111101
3200110101100002201212020
42303310223332113331
511130413413320110
6224411302230353
716643536422540
oct2636453762775
9613340081766
10193083729405
1174982805796
12315074253b9
1315291480c78
1494b971c857
155051198d70
hex2cf4afe5fd

193083729405 has 16 divisors (see below), whose sum is σ = 353067391104. Its totient is φ = 88266847680.

The previous prime is 193083729343. The next prime is 193083729409. The reversal of 193083729405 is 504927380391.

It is not a de Polignac number, because 193083729405 - 212 = 193083725309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193083729409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919446226 + ... + 919446435.

It is an arithmetic number, because the mean of its divisors is an integer number (22066711944).

Almost surely, 2193083729405 is an apocalyptic number.

193083729405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

193083729405 is a deficient number, since it is larger than the sum of its proper divisors (159983661699).

193083729405 is a wasteful number, since it uses less digits than its factorization.

193083729405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838892676.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 193083729405 in words is "one hundred ninety-three billion, eighty-three million, seven hundred twenty-nine thousand, four hundred five".

Divisors: 1 3 5 7 15 21 35 105 1838892661 5516677983 9194463305 12872248627 27583389915 38616745881 64361243135 193083729405