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142030523680 = 25519236413169
BaseRepresentation
bin1000010001000110101…
…1011100110100100000
3111120121100111011120221
42010101223130310200
54311334303224210
6145125315012424
713155435350263
oct2042153346440
9446540434527
10142030523680
1155264589691
122363989a114
13105164657b6
146c35190cda
153a641131da
hex2111adcd20

142030523680 has 192 divisors, whose sum is σ = 369255801600. Its totient is φ = 51385466880.

The previous prime is 142030523647. The next prime is 142030523689. The reversal of 142030523680 is 86325030241.

It is not an unprimeable number, because it can be changed into a prime (142030523689) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44817136 + ... + 44820304.

It is an arithmetic number, because the mean of its divisors is an integer number (1923207300).

Almost surely, 2142030523680 is an apocalyptic number.

142030523680 is a gapful number since it is divisible by the number (10) 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 142030523680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184627900800).

142030523680 is an abundant number, since it is smaller than the sum of its proper divisors (227225277920).

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

142030523680 is a wasteful number, since it uses less digits than its factorization.

142030523680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 142030523680 in words is "one hundred forty-two billion, thirty million, five hundred twenty-three thousand, six hundred eighty".