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15242045760127 = 537310936142487
BaseRepresentation
bin1101110111001101000010…
…1110010010001001111111
31222222010101101010222120001
43131303100232102021333
53444211202203311002
652230033230135131
73132126050204464
oct335632056221177
958863341128501
1015242045760127
11494712a52166a
1218620163514a7
1386741b39ab54
143a9a0cb3166b
151b6731ec1a87
hexddcd0b9227f

15242045760127 has 16 divisors (see below), whose sum is σ = 15886792025280. Its totient is φ = 14614286499072.

The previous prime is 15242045760049. The next prime is 15242045760131. The reversal of 15242045760127 is 72106754024251.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15242045760127 is a prime.

It is a super-2 number, since 2×152420457601272 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242045760427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17649523 + ... + 18492964.

It is an arithmetic number, because the mean of its divisors is an integer number (992924501580).

Almost surely, 215242045760127 is an apocalyptic number.

15242045760127 is a deficient number, since it is larger than the sum of its proper divisors (644746265153).

15242045760127 is a wasteful number, since it uses less digits than its factorization.

15242045760127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36142722.

The product of its (nonzero) digits is 940800, while the sum is 46.

Adding to 15242045760127 its reverse (72106754024251), we get a palindrome (87348799784378).

The spelling of 15242045760127 in words is "fifteen trillion, two hundred forty-two billion, forty-five million, seven hundred sixty thousand, one hundred twenty-seven".

Divisors: 1 53 73 109 3869 5777 7957 421721 36142487 1915551811 2638401551 3939531083 139835282203 208795147399 287585769059 15242045760127