Search a number
-
+
1310234140 = 22565511707
BaseRepresentation
bin100111000011000…
…1001011000011100
310101022102210100101
41032012021120130
510140404443030
6334002510444
744316543415
oct11606113034
93338383311
101310234140
11612658336
12306965424
1317b5ac297
14c602680c
157a0627ca
hex4e18961c

1310234140 has 12 divisors (see below), whose sum is σ = 2751491736. Its totient is φ = 524093648.

The previous prime is 1310234119. The next prime is 1310234201. The reversal of 1310234140 is 414320131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32755834 + ... + 32755873.

It is an arithmetic number, because the mean of its divisors is an integer number (229290978).

Almost surely, 21310234140 is an apocalyptic number.

1310234140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310234140 is an abundant number, since it is smaller than the sum of its proper divisors (1441257596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1310234140 is a wasteful number, since it uses less digits than its factorization.

1310234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65511716 (or 65511714 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1310234140 is about 36197.1565181576. The cubic root of 1310234140 is about 1094.2493663565.

Adding to 1310234140 its reverse (414320131), we get a palindrome (1724554271).

The spelling of 1310234140 in words is "one billion, three hundred ten million, two hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 65511707 131023414 262046828 327558535 655117070 1310234140