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143213400232 = 2373892165707
BaseRepresentation
bin1000010101100000101…
…1110001000010101000
3111200122210021112011121
42011120023301002220
54321300112301412
6145442532105024
713226650550050
oct2053013610250
9450583245147
10143213400232
115581125a311
1223909a65174
1310674542c56
146d08304560
153ad2dba107
hex21582f10a8

143213400232 has 32 divisors (see below), whose sum is σ = 306898413120. Its totient is φ = 61374660480.

The previous prime is 143213400227. The next prime is 143213400233. The reversal of 143213400232 is 232004312341.

It is a super-2 number, since 2×1432134002322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143213400197 and 143213400206.

It is not an unprimeable number, because it can be changed into a prime (143213400233) 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, 2146723 + ... + 2212429.

It is an arithmetic number, because the mean of its divisors is an integer number (9590575410).

Almost surely, 2143213400232 is an apocalyptic number.

It is an amenable number.

143213400232 is an abundant number, since it is smaller than the sum of its proper divisors (163685012888).

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

143213400232 is a wasteful number, since it uses less digits than its factorization.

143213400232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104641 (or 104637 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 143213400232 its reverse (232004312341), we get a palindrome (375217712573).

The spelling of 143213400232 in words is "one hundred forty-three billion, two hundred thirteen million, four hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 38921 65707 77842 131414 155684 262828 272447 311368 459949 525656 544894 919898 1089788 1839796 2179576 3679592 2557382147 5114764294 10229528588 17901675029 20459057176 35803350058 71606700116 143213400232