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143141311404 = 223471337131213
BaseRepresentation
bin1000010101001111100…
…0110001001110101100
3111200110202122000220000
42011103320301032230
54321123133431104
6145431435024300
713225114033410
oct2052370611654
9450422560800
10143141311404
11557845a1973
12238a989b090
1310662622740
146cdc8dad40
153acb8ca639
hex2153e313ac

143141311404 has 240 divisors, whose sum is σ = 473004426048. Its totient is φ = 36730962432.

The previous prime is 143141311393. The next prime is 143141311409. The reversal of 143141311404 is 404113141341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (143141311409) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1025302 + ... + 1156514.

Almost surely, 2143141311404 is an apocalyptic number.

143141311404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143141311404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236502213024).

143141311404 is an abundant number, since it is smaller than the sum of its proper divisors (329863114644).

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

143141311404 is a wasteful number, since it uses less digits than its factorization.

143141311404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131286 (or 131275 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 143141311404 its reverse (404113141341), we get a palindrome (547254452745).

The spelling of 143141311404 in words is "one hundred forty-three billion, one hundred forty-one million, three hundred eleven thousand, four hundred four".