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381221011201102 = 2619307932965429
BaseRepresentation
bin101011010101101111110111…
…0111101000001110001001110
31211222210101001201210022211221
41112223133232331001301032
5344431411112331413402
63430442303112233554
7143204211016562512
oct12653375675016116
91758711051708757
10381221011201102
11100517a17459066
123690b22939b8ba
1313493caa888cb7
146a1d2a4222142
152e11677894337
hex15ab7eef41c4e

381221011201102 has 8 divisors (see below), whose sum is σ = 572755315699800. Its totient is φ = 190302572634504.

The previous prime is 381221011201091. The next prime is 381221011201123. The reversal of 381221011201102 is 201102110122183.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153966481477 + ... + 153966483952.

It is an arithmetic number, because the mean of its divisors is an integer number (71594414462475).

Almost surely, 2381221011201102 is an apocalyptic number.

381221011201102 is a deficient number, since it is larger than the sum of its proper divisors (191534304498698).

381221011201102 is a wasteful number, since it uses less digits than its factorization.

381221011201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307932966050.

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 381221011201102 its reverse (201102110122183), we get a palindrome (582323121323285).

The spelling of 381221011201102 in words is "three hundred eighty-one trillion, two hundred twenty-one billion, eleven million, two hundred one thousand, one hundred two".

Divisors: 1 2 619 1238 307932965429 615865930858 190610505600551 381221011201102