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75270744707257 = 111273071318713309
BaseRepresentation
bin10001000111010101010110…
…000000000001000010111001
3100212111210221121200001220001
4101013111112000001002321
534331213441121113012
6424030522554433001
721566063136315061
oct2107252600010271
9325453847601801
1075270744707257
1121a901640a04a0
128537b84132761
1333000018c8158
1414831a2b9a3a1
158a7e71351357
hex4475560010b9

75270744707257 has 32 divisors (see below), whose sum is σ = 83042215280640. Its totient is φ = 67657794281280.

The previous prime is 75270744707203. The next prime is 75270744707273.

75270744707257 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75270744707257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75270744705257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5655620719 + ... + 5655634027.

It is an arithmetic number, because the mean of its divisors is an integer number (2595069227520).

Almost surely, 275270744707257 is an apocalyptic number.

It is an amenable number.

75270744707257 is a deficient number, since it is larger than the sum of its proper divisors (7771470573383).

75270744707257 is a wasteful number, since it uses less digits than its factorization.

75270744707257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941.

The product of its (nonzero) digits is 188238400, while the sum is 64.

The spelling of 75270744707257 in words is "seventy-five trillion, two hundred seventy billion, seven hundred forty-four million, seven hundred seven thousand, two hundred fifty-seven".

Divisors: 1 11 127 307 1397 3377 13187 13309 38989 145057 146399 428879 1674749 1690243 4048409 4085863 18422239 18592673 44532499 44944493 175505783 514147943 518904601 1930563613 5655627373 5707950611 22289234441 53880275381 245181578851 592683029191 6842794973387 75270744707257