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1401125031 = 32388940031
BaseRepresentation
bin101001110000011…
…0111100010100111
310121122110112012200
41103200313202213
510332142000111
6351010545543
746502236425
oct12340674247
93548415180
101401125031
11659997a79
123312982b3
13194383887
14d4126115
1583018256
hex538378a7

1401125031 has 12 divisors (see below), whose sum is σ = 2024418240. Its totient is φ = 933819840.

The previous prime is 1401124997. The next prime is 1401125051. The reversal of 1401125031 is 1305211041.

1401125031 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1401125031 - 27 = 1401124903 is a prime.

It is a super-2 number, since 2×14011250312 = 3926302704989501922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1401124995 and 1401125013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401125051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14986 + ... + 55016.

It is an arithmetic number, because the mean of its divisors is an integer number (168701520).

Almost surely, 21401125031 is an apocalyptic number.

1401125031 is a deficient number, since it is larger than the sum of its proper divisors (623293209).

1401125031 is a wasteful number, since it uses less digits than its factorization.

1401125031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43926 (or 43923 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1401125031 is about 37431.6047077867. The cubic root of 1401125031 is about 1118.9885189305.

Adding to 1401125031 its reverse (1305211041), we get a palindrome (2706336072).

The spelling of 1401125031 in words is "one billion, four hundred one million, one hundred twenty-five thousand, thirty-one".

Divisors: 1 3 9 3889 11667 35001 40031 120093 360279 155680559 467041677 1401125031