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242107630531 = 1318623663887
BaseRepresentation
bin1110000101111010111…
…1010100001111000011
3212010220220012221112221
43201132233110033003
512431314023134111
6303120034431511
723330436622144
oct3413657241703
9763826187487
10242107630531
119374a49a258
123ab09432597
1319aa4c317a0
14ba0a563acb
15646eece371
hex385ebd43c3

242107630531 has 4 divisors (see below), whose sum is σ = 260731294432. Its totient is φ = 223483966632.

The previous prime is 242107630493. The next prime is 242107630543. The reversal of 242107630531 is 135036701242.

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 242107630531 - 27 = 242107630403 is a prime.

It is a super-2 number, since 2×2421076305312 (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 (242107630571) 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, 9311831931 + ... + 9311831956.

It is an arithmetic number, because the mean of its divisors is an integer number (65182823608).

Almost surely, 2242107630531 is an apocalyptic number.

242107630531 is a deficient number, since it is larger than the sum of its proper divisors (18623663901).

242107630531 is a wasteful number, since it uses less digits than its factorization.

242107630531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18623663900.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 242107630531 in words is "two hundred forty-two billion, one hundred seven million, six hundred thirty thousand, five hundred thirty-one".

Divisors: 1 13 18623663887 242107630531