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75776450471089 = 87049672
BaseRepresentation
bin10001001110101100010100…
…011010011010010010110001
3100221022011021010021121122221
4101032230110122122102301
534413010132310033324
6425055115404201041
721650445040350424
oct2116542432322261
9327264233247587
1075776450471089
1122165680891795
1285b9b97b39181
1333388c4b81534
14149d857ab99bb
158b61bcd4b0e4
hex44eb1469a4b1

75776450471089 has 3 divisors (see below), whose sum is σ = 75776459176057. Its totient is φ = 75776441766122.

The previous prime is 75776450470993. The next prime is 75776450471177. The reversal of 75776450471089 is 98017405467757.

The square root of 75776450471089 is 8704967.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 75776450471089 - 27 = 75776450470961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75776450471389) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4352484 + ... + 13057450.

Almost surely, 275776450471089 is an apocalyptic number.

75776450471089 is the 8704967-th square number.

75776450471089 is the 4352484-th centered octagonal number.

It is an amenable number.

75776450471089 is a deficient number, since it is larger than the sum of its proper divisors (8704968).

75776450471089 is an frugal number, since it uses more digits than its factorization.

75776450471089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409934 (or 8704967 counting only the distinct ones).

The product of its (nonzero) digits is 414892800, while the sum is 70.

The spelling of 75776450471089 in words is "seventy-five trillion, seven hundred seventy-six billion, four hundred fifty million, four hundred seventy-one thousand, eighty-nine".

Divisors: 1 8704967 75776450471089