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142227961547 = 761333086561
BaseRepresentation
bin1000010001110101110…
…0100111011011001011
3111121010010000001102112
42010131130213123023
54312240324232142
6145201050452535
713163353504010
oct2043534473313
9447103001375
10142227961547
1155355a81681
1223693a3414b
1310548333839
146c534a7707
153a76613382
hex211d7276cb

142227961547 has 8 divisors (see below), whose sum is σ = 165210934752. Its totient is φ = 119911161600.

The previous prime is 142227961541. The next prime is 142227961549. The reversal of 142227961547 is 745169722241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142227961547 - 228 = 141959526091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142227961495 and 142227961504.

It is not an unprimeable number, because it can be changed into a prime (142227961541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166542854 + ... + 166543707.

It is an arithmetic number, because the mean of its divisors is an integer number (20651366844).

Almost surely, 2142227961547 is an apocalyptic number.

142227961547 is a deficient number, since it is larger than the sum of its proper divisors (22982973205).

142227961547 is an equidigital number, since it uses as much as digits as its factorization.

142227961547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333086629.

The product of its digits is 1693440, while the sum is 50.

The spelling of 142227961547 in words is "one hundred forty-two billion, two hundred twenty-seven million, nine hundred sixty-one thousand, five hundred forty-seven".

Divisors: 1 7 61 427 333086561 2331605927 20318280221 142227961547