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401322022201 = 1831121916991
BaseRepresentation
bin1011101011100001010…
…10000001010100111001
31102100212211012001112001
411311300222001110321
523033401414202301
6504210443421001
740665063622102
oct5656052012471
91370784161461
10401322022201
11145221901231
1265941b24761
132bac94b6cb9
14155d19b73a9
15a68c9d8c01
hex5d70a81539

401322022201 has 4 divisors (see below), whose sum is σ = 401343957504. Its totient is φ = 401300086900.

The previous prime is 401322022181. The next prime is 401322022219. The reversal of 401322022201 is 102220223104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401322022201 - 227 = 401187804473 is a prime.

It is a super-2 number, since 2×4013220222012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401322022301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10940185 + ... + 10976806.

It is an arithmetic number, because the mean of its divisors is an integer number (100335989376).

Almost surely, 2401322022201 is an apocalyptic number.

It is an amenable number.

401322022201 is a deficient number, since it is larger than the sum of its proper divisors (21935303).

401322022201 is a wasteful number, since it uses less digits than its factorization.

401322022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21935302.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 401322022201 its reverse (102220223104), we get a palindrome (503542245305).

The spelling of 401322022201 in words is "four hundred one billion, three hundred twenty-two million, twenty-two thousand, two hundred one".

Divisors: 1 18311 21916991 401322022201