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1431212234140 = 225137853700963
BaseRepresentation
bin10100110100111010111…
…001011001010110011100
312001211012122022120110201
4110310322321121112130
5141422110312443030
63013253445113244
7205254526160143
oct24647271312634
95054178276421
101431212234140
11501a78aa3817
121b14660b8824
13a4c69187b80
144d3b1a4a75a
15273683de2ca
hex14d3ae5959c

1431212234140 has 48 divisors (see below), whose sum is σ = 3237158298528. Its totient is φ = 528379547904.

The previous prime is 1431212234131. The next prime is 1431212234189. The reversal of 1431212234140 is 414322121341.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1431212234099 and 1431212234108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691299 + ... + 2392261.

It is an arithmetic number, because the mean of its divisors is an integer number (67440797886).

Almost surely, 21431212234140 is an apocalyptic number.

1431212234140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431212234140 is an abundant number, since it is smaller than the sum of its proper divisors (1805946064388).

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

1431212234140 is a wasteful number, since it uses less digits than its factorization.

1431212234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708838 (or 708836 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1431212234140 its reverse (414322121341), we get a palindrome (1845534355481).

The spelling of 1431212234140 in words is "one trillion, four hundred thirty-one billion, two hundred twelve million, two hundred thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 7853 15706 31412 39265 78530 102089 157060 204178 408356 510445 700963 1020890 1401926 2041780 2803852 3504815 7009630 9112519 14019260 18225038 36450076 45562595 91125190 182250380 5504662439 11009324878 22018649756 27523312195 55046624390 71560611707 110093248780 143121223414 286242446828 357803058535 715606117070 1431212234140