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168229730697 = 37173105144059
BaseRepresentation
bin1001110010101101000…
…1011111100110001001
3121002020012220210011120
42130223101133212021
510224013302340242
6205141134545453
715103614055110
oct2345321374611
9532205823146
10168229730697
116538932a696
122872b968289
1312b30276562
1481dc8dcc77
1545992161ec
hex272b45f989

168229730697 has 32 divisors (see below), whose sum is σ = 258083036160. Its totient is φ = 95482497600.

The previous prime is 168229730681. The next prime is 168229730729. The reversal of 168229730697 is 796037922861.

It is not a de Polignac number, because 168229730697 - 24 = 168229730681 is a prime.

It is a super-3 number, since 3×1682297306973 (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168229730697.

It is not an unprimeable number, because it can be changed into a prime (168229735697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3796254 + ... + 3840312.

It is an arithmetic number, because the mean of its divisors is an integer number (8065094880).

Almost surely, 2168229730697 is an apocalyptic number.

It is an amenable number.

168229730697 is a deficient number, since it is larger than the sum of its proper divisors (89853305463).

168229730697 is a wasteful number, since it uses less digits than its factorization.

168229730697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45293.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The spelling of 168229730697 in words is "one hundred sixty-eight billion, two hundred twenty-nine million, seven hundred thirty thousand, six hundred ninety-seven".

Divisors: 1 3 7 21 173 519 1051 1211 3153 3633 7357 22071 44059 132177 181823 308413 545469 925239 1272761 3818283 7622207 22866621 46306009 53355449 138918027 160066347 324142063 972426189 8010939557 24032818671 56076576899 168229730697