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42156024641 = 193751159149
BaseRepresentation
bin100111010000101100…
…011110001101000001
311000210220222221021222
4213100230132031001
51142313420242031
631211033524425
73021444203633
oct472054361501
9130726887258
1042156024641
1116972a82295
128205b73715
133c8a957aa3
14207ca7ca53
15116ae18e7b
hex9d0b1e341

42156024641 has 8 divisors (see below), whose sum is σ = 44376696000. Its totient is φ = 39935546640.

The previous prime is 42156024607. The next prime is 42156024689. The reversal of 42156024641 is 14642065124.

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 42156024641 - 222 = 42151830337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42156024241) 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, 683135 + ... + 742283.

It is an arithmetic number, because the mean of its divisors is an integer number (5547087000).

Almost surely, 242156024641 is an apocalyptic number.

It is an amenable number.

42156024641 is a deficient number, since it is larger than the sum of its proper divisors (2220671359).

42156024641 is a wasteful number, since it uses less digits than its factorization.

42156024641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96679.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 42156024641 its reverse (14642065124), we get a palindrome (56798089765).

The spelling of 42156024641 in words is "forty-two billion, one hundred fifty-six million, twenty-four thousand, six hundred forty-one".

Divisors: 1 19 37511 59149 712709 1123831 2218738139 42156024641