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142300323220 = 225112141302111
BaseRepresentation
bin1000010010000111000…
…0101001110110010100
3111121022011011101222111
42010201300221312110
54312412340320340
6145212153440404
713165222534666
oct2044160516624
9447264141874
10142300323220
1155392906010
12236b4110104
131055a31b2b3
146c5cd42536
153a7cb58aea
hex2121c29d94

142300323220 has 48 divisors (see below), whose sum is σ = 326150447616. Its totient is φ = 51721232000.

The previous prime is 142300323203. The next prime is 142300323229. The reversal of 142300323220 is 22323003241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 142300323191 and 142300323200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142300323229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319965 + ... + 622075.

It is an arithmetic number, because the mean of its divisors is an integer number (6794800992).

Almost surely, 2142300323220 is an apocalyptic number.

142300323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142300323220 is an abundant number, since it is smaller than the sum of its proper divisors (183850124396).

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

142300323220 is a wasteful number, since it uses less digits than its factorization.

142300323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304272 (or 304270 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 142300323220 its reverse (22323003241), we get a palindrome (164623326461).

The spelling of 142300323220 in words is "one hundred forty-two billion, three hundred million, three hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 2141 4282 8564 10705 21410 23551 42820 47102 94204 117755 235510 302111 471020 604222 1208444 1510555 3021110 3323221 6042220 6646442 13292884 16616105 33232210 66464420 646819651 1293639302 2587278604 3234098255 6468196510 7115016161 12936393020 14230032322 28460064644 35575080805 71150161610 142300323220