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40201121222231 = 71777477282763
BaseRepresentation
bin10010010010000000011011…
…00011001100111001010111
312021100012010020222200120012
421021000031203030321113
520232123344013102411
6221300050134030435
711316302155163144
oct1111001543147127
9167305106880505
1040201121222231
111189a221986112
1246132b61a841b
131957c45c88138
149cda5d4613cb
1549aacb81a18b
hex24900d8cce57

40201121222231 has 8 divisors (see below), whose sum is σ = 40767864153984. Its totient is φ = 39634393011640.

The previous prime is 40201121222219. The next prime is 40201121222347. The reversal of 40201121222231 is 13222212110204.

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

It is a cyclic number.

It is not a de Polignac number, because 40201121222231 - 242 = 35803074711127 is a prime.

It is a super-2 number, since 2×402011212222312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40201121222197 and 40201121222206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40201121252231) 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, 1878656 + ... + 9161418.

It is an arithmetic number, because the mean of its divisors is an integer number (5095983019248).

Almost surely, 240201121222231 is an apocalyptic number.

40201121222231 is a deficient number, since it is larger than the sum of its proper divisors (566742931753).

40201121222231 is an equidigital number, since it uses as much as digits as its factorization.

40201121222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7360581.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 40201121222231 its reverse (13222212110204), we get a palindrome (53423333332435).

The spelling of 40201121222231 in words is "forty trillion, two hundred one billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 71 77747 5520037 7282763 517076173 566212974961 40201121222231