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400030143242130 = 2345493864374373
BaseRepresentation
bin101101011110100110100011…
…0100101100101111110010010
31221110101111201111002110210000
41122331031012211211332102
5404413043213132222010
63534443151045150430
7150155136603153612
oct13275150645457622
91843344644073700
10400030143242130
11106509916106655
1238a486316bb416
13142298b04b6abb
1470ad7c2adca42
15313aa7e5ee7c0
hex16bd346965f92

400030143242130 has 40 divisors (see below), whose sum is σ = 1075636607386572. Its totient is φ = 106674704864352.

The previous prime is 400030143242129. The next prime is 400030143242137. The reversal of 400030143242130 is 31242341030004.

400030143242130 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 301 + 4 + 324 + 2 + 1 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 381713789025009 + 18316354217121 = 19537497^2 + 4279761^2 .

It is a super-2 number, since 2×4000301432421302 (a number of 30 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 400030143242094 and 400030143242103.

It is not an unprimeable number, because it can be changed into a prime (400030143242137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 246932186377 + ... + 246932187996.

Almost surely, 2400030143242130 is an apocalyptic number.

400030143242130 is an abundant number, since it is smaller than the sum of its proper divisors (675606464144442).

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

400030143242130 is a wasteful number, since it uses less digits than its factorization.

400030143242130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493864374392 (or 493864374383 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 400030143242130 its reverse (31242341030004), we get a palindrome (431272484272134).

The spelling of 400030143242130 in words is "four hundred trillion, thirty billion, one hundred forty-three million, two hundred forty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 493864374373 987728748746 1481593123119 2469321871865 2963186246238 4444779369357 4938643743730 7407965615595 8889558738714 13334338108071 14815931231190 22223896846785 26668676216142 40003014324213 44447793693570 66671690540355 80006028648426 133343381080710 200015071621065 400030143242130