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201142905201 = 32722936312467
BaseRepresentation
bin1011101101010100001…
…1010010100101110001
3201020011222212021200200
42323111003102211301
511243420040431301
6232223114305413
720350336325100
oct2732503224561
9636158767620
10201142905201
1178338a20857
1232b96428269
1315c77042b44
149a41bcc037
155373982c86
hex2ed50d2971

201142905201 has 72 divisors (see below), whose sum is σ = 339803440704. Its totient is φ = 114318630720.

The previous prime is 201142905191. The next prime is 201142905211. The reversal of 201142905201 is 102509241102.

201142905201 is a `hidden beast` number, since 2 + 0 + 11 + 42 + 90 + 520 + 1 = 666.

201142905201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201142905191) and next prime (201142905211).

It is not a de Polignac number, because 201142905201 - 29 = 201142904689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201142905211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 81532170 + ... + 81534636.

It is an arithmetic number, because the mean of its divisors is an integer number (4719492232).

Almost surely, 2201142905201 is an apocalyptic number.

201142905201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201142905201 is a deficient number, since it is larger than the sum of its proper divisors (138660535503).

201142905201 is a wasteful number, since it uses less digits than its factorization.

201142905201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 201142905201 in words is "two hundred one billion, one hundred forty-two million, nine hundred five thousand, two hundred one".

Divisors: 1 3 7 9 21 49 63 147 293 441 631 879 1893 2051 2467 2637 4417 5679 6153 7401 13251 14357 17269 18459 22203 30919 39753 43071 51807 92757 120883 129213 155421 184883 278271 362649 554649 722831 1087947 1294181 1556677 1663947 2168493 3882543 4670031 5059817 6505479 9059267 10896739 11647629 14010093 15179451 27177801 32690217 35418719 45538353 76277173 81533403 98070651 106256157 228831519 318768471 456106361 686494557 1368319083 3192744527 4104957249 9578233581 22349211689 28734700743 67047635067 201142905201