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242662749093 = 3244970984697
BaseRepresentation
bin1110000111111111010…
…0111011001110100101
3212012100120202220001200
43201333310323032211
512433433130432333
6303251104513113
723350260222462
oct3417764731645
9765316686050
10242662749093
1193a04883026
123b04331b799
1319b62c449cb
14ba60186669
1564a3ad3c13
hex387fd3b3a5

242662749093 has 24 divisors (see below), whose sum is σ = 351793143000. Its totient is φ = 161185296384.

The previous prime is 242662749089. The next prime is 242662749097. The reversal of 242662749093 is 390947266242.

242662749093 is a `hidden beast` number, since 2 + 4 + 2 + 6 + 62 + 7 + 490 + 93 = 666.

It is an interprime number because it is at equal distance from previous prime (242662749089) and next prime (242662749097).

It can be written as a sum of positive squares in 4 ways, for example, as 82373018049 + 160289731044 = 287007^2 + 400362^2 .

It is not a de Polignac number, because 242662749093 - 22 = 242662749089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242662749097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2822721 + ... + 2907417.

It is an arithmetic number, because the mean of its divisors is an integer number (14658047625).

Almost surely, 2242662749093 is an apocalyptic number.

It is an amenable number.

242662749093 is a deficient number, since it is larger than the sum of its proper divisors (109130393907).

242662749093 is a wasteful number, since it uses less digits than its factorization.

242662749093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85861 (or 85858 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 242662749093 in words is "two hundred forty-two billion, six hundred sixty-two million, seven hundred forty-nine thousand, ninety-three".

Divisors: 1 3 9 449 709 1347 2127 4041 6381 84697 254091 318341 762273 955023 2865069 38028953 60050173 114086859 180150519 342260577 540451557 26962527677 80887583031 242662749093