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919292729201 = 71167421423259
BaseRepresentation
bin11010110000010100001…
…11011101011101110001
310020212212002110021100022
431120022013131131301
5110030202414313301
61542152305333225
7123262634161310
oct15301207353561
93225762407308
10919292729201
113249628638a0
1212a1b9337215
13688c577a0c2
14326cb7a0277
1518da613ad1b
hexd60a1dd771

919292729201 has 32 divisors (see below), whose sum is σ = 1166003420160. Its totient is φ = 703962705600.

The previous prime is 919292729191. The next prime is 919292729219. The reversal of 919292729201 is 102927292919.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-919292729201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (919292729261) 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, 1960310 + ... + 2383568.

It is an arithmetic number, because the mean of its divisors is an integer number (36437606880).

Almost surely, 2919292729201 is an apocalyptic number.

It is an amenable number.

919292729201 is a deficient number, since it is larger than the sum of its proper divisors (246710690959).

919292729201 is a wasteful number, since it uses less digits than its factorization.

919292729201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423765.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 919292729201 in words is "nine hundred nineteen billion, two hundred ninety-two million, seven hundred twenty-nine thousand, two hundred one".

Divisors: 1 7 11 67 77 421 469 737 2947 4631 5159 28207 32417 197449 310277 423259 2171939 2962813 4655849 28358353 32590943 178192039 198508471 311941883 1247344273 1960112429 2183593181 11938866613 13720787003 83572066291 131327532743 919292729201