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74539053957 = 3191916846611
BaseRepresentation
bin100010101101011011…
…1111011001110000101
321010101202101021100010
41011122313323032011
52210123444211312
654124234340433
75246101335054
oct1053267731605
9233352337303
1074539053957
1129680397535
1212542b8a719
13704b9461b4
1438717aa39b
151e13d6593c
hex115adfb385

74539053957 has 16 divisors (see below), whose sum is σ = 105163960320. Its totient is φ = 46830812400.

The previous prime is 74539053947. The next prime is 74539053997. The reversal of 74539053957 is 75935093547.

It is not a de Polignac number, because 74539053957 - 218 = 74538791813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 74539053897 and 74539053906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74539053937) 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, 3412419 + ... + 3434192.

It is an arithmetic number, because the mean of its divisors is an integer number (6572747520).

Almost surely, 274539053957 is an apocalyptic number.

It is an amenable number.

74539053957 is a deficient number, since it is larger than the sum of its proper divisors (30624906363).

74539053957 is a wasteful number, since it uses less digits than its factorization.

74539053957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846824.

The product of its (nonzero) digits is 17860500, while the sum is 57.

The spelling of 74539053957 in words is "seventy-four billion, five hundred thirty-nine million, fifty-three thousand, nine hundred fifty-seven".

Divisors: 1 3 19 57 191 573 3629 10887 6846611 20539833 130085609 390256827 1307702701 3923108103 24846351319 74539053957