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230242241987 = 892586991483
BaseRepresentation
bin1101011001101110000…
…0011100110111000011
3211000021222101202101222
43112123200130313003
512233014003220422
6253434414145255
722430421523502
oct3263340346703
9730258352358
10230242241987
118971081a21a
12387577b222b
131893393b714
14b202786839
155ec849d842
hex359b81cdc3

230242241987 has 4 divisors (see below), whose sum is σ = 232829233560. Its totient is φ = 227655250416.

The previous prime is 230242241951. The next prime is 230242241993. The reversal of 230242241987 is 789142242032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230242241987 - 28 = 230242241731 is a prime.

It is a super-2 number, since 2×2302422419872 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230242291987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293495653 + ... + 1293495830.

It is an arithmetic number, because the mean of its divisors is an integer number (58207308390).

Almost surely, 2230242241987 is an apocalyptic number.

230242241987 is a deficient number, since it is larger than the sum of its proper divisors (2586991573).

230242241987 is an equidigital number, since it uses as much as digits as its factorization.

230242241987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586991572.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 230242241987 in words is "two hundred thirty billion, two hundred forty-two million, two hundred forty-one thousand, nine hundred eighty-seven".

Divisors: 1 89 2586991483 230242241987