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142138482336 = 25321117441841
BaseRepresentation
bin1000010001100000011…
…1010001111010100000
3111120212212122001000200
42010120013101322200
54312044422413321
6145144132545200
713161216110454
oct2043007217240
9446785561020
10142138482336
115530a516614
1223669a82200
1310532934966
146c45654664
153a6d83ad26
hex21181d1ea0

142138482336 has 72 divisors (see below), whose sum is σ = 404569092564. Its totient is φ = 47336970240.

The previous prime is 142138482331. The next prime is 142138482337. The reversal of 142138482336 is 633284831241.

142138482336 is a `hidden beast` number, since 1 + 4 + 2 + 138 + 482 + 3 + 36 = 666.

142138482336 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 142113920400 + 24561936 = 376980^2 + 4956^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142138482291 and 142138482300.

It is not an unprimeable number, because it can be changed into a prime (142138482331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100776 + ... + 542616.

Almost surely, 2142138482336 is an apocalyptic number.

142138482336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142138482336 is an abundant number, since it is smaller than the sum of its proper divisors (262430610228).

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

142138482336 is a wasteful number, since it uses less digits than its factorization.

142138482336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442974 (or 442963 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The spelling of 142138482336 in words is "one hundred forty-two billion, one hundred thirty-eight million, four hundred eighty-two thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1117 2234 3351 4468 6702 8936 10053 13404 17872 20106 26808 35744 40212 53616 80424 107232 160848 321696 441841 883682 1325523 1767364 2651046 3534728 3976569 5302092 7069456 7953138 10604184 14138912 15906276 21208368 31812552 42416736 63625104 127250208 493536397 987072794 1480609191 1974145588 2961218382 3948291176 4441827573 5922436764 7896582352 8883655146 11844873528 15793164704 17767310292 23689747056 35534620584 47379494112 71069241168 142138482336