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1401016814 = 21667420221
BaseRepresentation
bin101001110000001…
…1101000111101110
310121122021000202122
41103200131013232
510332130014224
6351004352542
746501306061
oct12340350756
93548230678
101401016814
1165992373a
12331245752
13194346542
14d40d88d8
1582ee615e
hex5381d1ee

1401016814 has 8 divisors (see below), whose sum is σ = 2102790888. Its totient is φ = 700086520.

The previous prime is 1401016783. The next prime is 1401016817. The reversal of 1401016814 is 4186101041.

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

It is a super-2 number, since 2×14010168142 = 3925696226221421192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401016817) 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, 206777 + ... + 213444.

It is an arithmetic number, because the mean of its divisors is an integer number (262848861).

Almost surely, 21401016814 is an apocalyptic number.

1401016814 is a deficient number, since it is larger than the sum of its proper divisors (701774074).

1401016814 is a wasteful number, since it uses less digits than its factorization.

1401016814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421890.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1401016814 is about 37430.1591500758. The cubic root of 1401016814 is about 1118.9597095343.

Adding to 1401016814 its reverse (4186101041), we get a palindrome (5587117855).

The spelling of 1401016814 in words is "one billion, four hundred one million, sixteen thousand, eight hundred fourteen".

Divisors: 1 2 1667 3334 420221 840442 700508407 1401016814