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1401441311 = 19269274201
BaseRepresentation
bin101001110001000…
…0100110000011111
310121200001121001202
41103202010300133
510332232110221
6351021430115
746505024504
oct12342046037
93550047052
101401441311
1165a093666
1233140b33b
1319446481a
14d41a94ab
158307bd0b
hex53884c1f

1401441311 has 8 divisors (see below), whose sum is σ = 1480690800. Its totient is φ = 1322740800.

The previous prime is 1401441241. The next prime is 1401441319. The reversal of 1401441311 is 1131441041.

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 1401441311 - 230 = 327699487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401441319) 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, 131990 + ... + 142211.

It is an arithmetic number, because the mean of its divisors is an integer number (185086350).

Almost surely, 21401441311 is an apocalyptic number.

1401441311 is a deficient number, since it is larger than the sum of its proper divisors (79249489).

1401441311 is a wasteful number, since it uses less digits than its factorization.

1401441311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274489.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1401441311 is about 37435.8292415167. The cubic root of 1401441311 is about 1119.0727100993.

Adding to 1401441311 its reverse (1131441041), we get a palindrome (2532882352).

The spelling of 1401441311 in words is "one billion, four hundred one million, four hundred forty-one thousand, three hundred eleven".

Divisors: 1 19 269 5111 274201 5209819 73760069 1401441311