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142261647841 = 1033134412719
BaseRepresentation
bin1000010001111101110…
…1000111100111100001
3111121012110101111100001
42010133131013213201
54312322440212331
6145204252500001
713164243024535
oct2043735074741
9447173344301
10142261647841
1155372a9a695
12236a317a601
13105522c9661
146c57b55bc5
153a79569561
hex211f7479e1

142261647841 has 8 divisors (see below), whose sum is σ = 144101784320. Its totient is φ = 140430337632.

The previous prime is 142261647839. The next prime is 142261647863. The reversal of 142261647841 is 148746162241.

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 142261647841 - 21 = 142261647839 is a prime.

It is a super-2 number, since 2×1422616478412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142261647791 and 142261647800.

It is not an unprimeable number, because it can be changed into a prime (142261647041) 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, 2174121 + ... + 2238598.

It is an arithmetic number, because the mean of its divisors is an integer number (18012723040).

Almost surely, 2142261647841 is an apocalyptic number.

It is an amenable number.

142261647841 is a deficient number, since it is larger than the sum of its proper divisors (1840136479).

142261647841 is a wasteful number, since it uses less digits than its factorization.

142261647841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413135.

The product of its digits is 516096, while the sum is 46.

The spelling of 142261647841 in words is "one hundred forty-two billion, two hundred sixty-one million, six hundred forty-seven thousand, eight hundred forty-one".

Divisors: 1 103 313 32239 4412719 454510057 1381181047 142261647841