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1127948078401 = 271239192
BaseRepresentation
bin10000011010011110111…
…100011100110101000001
310222211102122022020211121
4100122132330130311001
5121440014202002101
62222101105512241
7144330414321454
oct20323674346501
93884378266747
101127948078401
113a53a6314a51
1216272b642681
1382499017081
143c8431bd49b
151e5193ad0a1
hex1069ef1cd41

1127948078401 has 9 divisors (see below), whose sum is σ = 1132414561953. Its totient is φ = 1123499155140.

The previous prime is 1127948078393. The next prime is 1127948078417. The reversal of 1127948078401 is 1048708497211.

The square root of 1127948078401 is 1062049.

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

It is not a de Polignac number, because 1127948078401 - 23 = 1127948078393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127948078431) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 287813320 + ... + 287817238.

It is an arithmetic number, because the mean of its divisors is an integer number (125823840217).

Almost surely, 21127948078401 is an apocalyptic number.

1127948078401 is the 1062049-th square number.

1127948078401 is the 531025-th centered octagonal number.

It is an amenable number.

1127948078401 is a deficient number, since it is larger than the sum of its proper divisors (4466483552).

1127948078401 is an frugal number, since it uses more digits than its factorization.

1127948078401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380 (or 4190 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 52.

The spelling of 1127948078401 in words is "one trillion, one hundred twenty-seven billion, nine hundred forty-eight million, seventy-eight thousand, four hundred one".

Divisors: 1 271 3919 73441 1062049 15358561 287815279 4162170031 1127948078401