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169397930853 = 336273997439
BaseRepresentation
bin1001110111000011100…
…1110100101101100101
3121012020122002111112000
42131300321310231211
510233411332241403
6205453105315513
715144560440344
oct2356071645545
9535218074460
10169397930853
1165928796768
12289b7035b99
1312c882b5758
1482adb11b5b
154616a6e7a3
hex2770e74b65

169397930853 has 8 divisors (see below), whose sum is σ = 250959897600. Its totient is φ = 112931953884.

The previous prime is 169397930833. The next prime is 169397930857. The reversal of 169397930853 is 358039793961.

169397930853 is a `hidden beast` number, since 169 + 397 + 9 + 3 + 0 + 85 + 3 = 666.

It is not a de Polignac number, because 169397930853 - 29 = 169397930341 is a prime.

It is a super-3 number, since 3×1693979308533 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169397930857) 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, 3136998693 + ... + 3136998746.

It is an arithmetic number, because the mean of its divisors is an integer number (31369987200).

Almost surely, 2169397930853 is an apocalyptic number.

It is an amenable number.

169397930853 is a deficient number, since it is larger than the sum of its proper divisors (81561966747).

169397930853 is an equidigital number, since it uses as much as digits as its factorization.

169397930853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273997448 (or 6273997442 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 63.

The spelling of 169397930853 in words is "one hundred sixty-nine billion, three hundred ninety-seven million, nine hundred thirty thousand, eight hundred fifty-three".

Divisors: 1 3 9 27 6273997439 18821992317 56465976951 169397930853