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201001909129 = 743667780429
BaseRepresentation
bin1011101100110010100…
…1011011101110001001
3201012211011112221102221
42323030221123232021
511243122442043004
6232201120254041
720344005015610
oct2731451335611
9635734487387
10201001909129
117827637937a
1232b57171321
1315c53a77308
149a2b1a8877
1553663d1354
hex2ecca5bb89

201001909129 has 8 divisors (see below), whose sum is σ = 235058711360. Its totient is φ = 168280667856.

The previous prime is 201001909111. The next prime is 201001909133. The reversal of 201001909129 is 921909100102.

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

It is not a de Polignac number, because 201001909129 - 229 = 200465038217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001909094 and 201001909103.

It is not an unprimeable number, because it can be changed into a prime (201001907129) 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, 333889914 + ... + 333890515.

It is an arithmetic number, because the mean of its divisors is an integer number (29382338920).

Almost surely, 2201001909129 is an apocalyptic number.

It is an amenable number.

201001909129 is a deficient number, since it is larger than the sum of its proper divisors (34056802231).

201001909129 is an equidigital number, since it uses as much as digits as its factorization.

201001909129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667780479.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 201001909129 in words is "two hundred one billion, one million, nine hundred nine thousand, one hundred twenty-nine".

Divisors: 1 7 43 301 667780429 4674463003 28714558447 201001909129