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74954996131 = 2931613136013
BaseRepresentation
bin100010111001110101…
…0100111100110100011
321011110202001022201211
41011303222213212203
52212001434334011
654233413410551
75262311645341
oct1056352474643
9234422038654
1074954996131
1129874160aa4
121263a339a57
1370b6b79c22
1438b0b20991
151e3a627b21
hex1173aa79a3

74954996131 has 16 divisors (see below), whose sum is σ = 80172092160. Its totient is φ = 69921048960.

The previous prime is 74954996113. The next prime is 74954996177. The reversal of 74954996131 is 13169945947.

It is a cyclic number.

It is not a de Polignac number, because 74954996131 - 229 = 74418125219 is a prime.

It is a super-2 number, since 2×749549961312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74954996731) 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, 483081 + ... + 619093.

It is an arithmetic number, because the mean of its divisors is an integer number (5010755760).

Almost surely, 274954996131 is an apocalyptic number.

74954996131 is a deficient number, since it is larger than the sum of its proper divisors (5217096029).

74954996131 is a wasteful number, since it uses less digits than its factorization.

74954996131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136686.

The product of its digits is 7348320, while the sum is 58.

The spelling of 74954996131 in words is "seventy-four billion, nine hundred fifty-four million, nine hundred ninety-six thousand, one hundred thirty-one".

Divisors: 1 29 31 613 899 17777 19003 136013 551087 3944377 4216403 83375969 122275687 2417903101 2584655039 74954996131