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1401225231111 = 31251973730721
BaseRepresentation
bin10100011000111111100…
…010000011101100000111
311221221210210110222120220
4110120333202003230013
5140424202124343421
62551414115355423
7203143444642266
oct24307742035407
94857723428526
101401225231111
114a0290127592
121a76975b2b73
13a219a6c37b4
144bb692265dd
15266b09d13c6
hex1463f883b07

1401225231111 has 8 divisors (see below), whose sum is σ = 1868315731824. Its totient is φ = 934142442240.

The previous prime is 1401225231103. The next prime is 1401225231121. The reversal of 1401225231111 is 1111325221041.

It is a happy number.

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

It is not a de Polignac number, because 1401225231111 - 23 = 1401225231103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401225231121) 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, 1489770 + ... + 2240951.

It is an arithmetic number, because the mean of its divisors is an integer number (233539466478).

Almost surely, 21401225231111 is an apocalyptic number.

1401225231111 is a deficient number, since it is larger than the sum of its proper divisors (467090500713).

1401225231111 is a wasteful number, since it uses less digits than its factorization.

1401225231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855921.

The product of its (nonzero) digits is 480, while the sum is 24.

The spelling of 1401225231111 in words is "one trillion, four hundred one billion, two hundred twenty-five million, two hundred thirty-one thousand, one hundred eleven".

Divisors: 1 3 125197 375591 3730721 11192163 467075077037 1401225231111