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142141310230420 = 22523231433384079
BaseRepresentation
bin100000010100011011011010…
…010011011101111110010100
3200122021120120022012212120001
4200110123122103131332110
5122112320400404333140
61222150452204421044
741640241113653164
oct4024333223357624
9618246508185501
10142141310230420
1141321878010726
1213b37b31247784
136140b39114417
1427159673d05a4
15116764d24be9a
hex8146da4ddf94

142141310230420 has 72 divisors (see below), whose sum is σ = 322104916546560. Its totient is φ = 52630162432320.

The previous prime is 142141310230369. The next prime is 142141310230421. The reversal of 142141310230420 is 24032013141241.

It is a happy number.

142141310230420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142141310230421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216364060 + ... + 217020019.

It is an arithmetic number, because the mean of its divisors is an integer number (4473679396480).

Almost surely, 2142141310230420 is an apocalyptic number.

142141310230420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142141310230420 is an abundant number, since it is smaller than the sum of its proper divisors (179963606316140).

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

142141310230420 is a wasteful number, since it uses less digits than its factorization.

142141310230420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433384165 (or 433384140 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 142141310230420 its reverse (24032013141241), we get a palindrome (166173323371661).

The spelling of 142141310230420 in words is "one hundred forty-two trillion, one hundred forty-one billion, three hundred ten million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 31 46 62 92 115 124 155 230 310 460 529 620 713 1058 1426 2116 2645 2852 3565 5290 7130 10580 14260 16399 32798 65596 81995 163990 327980 433384079 866768158 1733536316 2166920395 4333840790 8667681580 9967833817 13434906449 19935667634 26869812898 39871335268 49839169085 53739625796 67174532245 99678338170 134349064490 199356676340 229260177791 268698128980 309002848327 458520355582 618005696654 917040711164 1146300888955 1236011393308 1545014241635 2292601777910 3090028483270 4585203555820 6180056966540 7107065511521 14214131023042 28428262046084 35535327557605 71070655115210 142141310230420