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75457101012 = 22359910497649
BaseRepresentation
bin100011001000110010…
…1111111110011010100
321012202201211220010220
41012101211333303110
52214014004213022
654355311314340
75310616530066
oct1062145776324
9235681756126
1075457101012
112a001625907
121275a51b9b0
137166bbb0c7
14391b6a3736
151e6975985c
hex119197fcd4

75457101012 has 24 divisors (see below), whose sum is σ = 176360520000. Its totient is φ = 25110374016.

The previous prime is 75457100993. The next prime is 75457101019. The reversal of 75457101012 is 21010175457.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75457101019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5241637 + ... + 5256012.

It is an arithmetic number, because the mean of its divisors is an integer number (7348355000).

Almost surely, 275457101012 is an apocalyptic number.

It is an amenable number.

75457101012 is an abundant number, since it is smaller than the sum of its proper divisors (100903418988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75457101012 is a wasteful number, since it uses less digits than its factorization.

75457101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498255 (or 10498253 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 33.

Adding to 75457101012 its reverse (21010175457), we get a palindrome (96467276469).

The spelling of 75457101012 in words is "seventy-five billion, four hundred fifty-seven million, one hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 599 1198 1797 2396 3594 7188 10497649 20995298 31492947 41990596 62985894 125971788 6288091751 12576183502 18864275253 25152367004 37728550506 75457101012