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1025306105476 = 22283217892
BaseRepresentation
bin11101110101110010000…
…00011001011010000100
310122000111100022210001211
432322321000121122010
5113244311330333401
62103004044101204
7134035020046132
oct16727100313204
93560440283054
101025306105476
11365914626554
12146864b34804
13758bc059b53
14378a7312752
151ba0d251951
hexeeb9019684

1025306105476 has 27 divisors (see below), whose sum is σ = 1801655394021. Its totient is φ = 510556011984.

The previous prime is 1025306105443. The next prime is 1025306105479. The reversal of 1025306105476 is 6745016035201.

The square root of 1025306105476 is 1012574.

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

It can be written as a sum of positive squares in only one way, i.e., 968795307076 + 56510798400 = 984274^2 + 237720^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025306105479) 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, 573115990 + ... + 573117778.

Almost surely, 21025306105476 is an apocalyptic number.

1025306105476 is the 1012574-th square number.

It is an amenable number.

1025306105476 is a deficient number, since it is larger than the sum of its proper divisors (776349288545).

1025306105476 is an frugal number, since it uses more digits than its factorization.

1025306105476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1025306105476 in words is "one trillion, twenty-five billion, three hundred six million, one hundred five thousand, four hundred seventy-six".

Divisors: 1 2 4 283 566 1132 1789 3578 7156 80089 160178 320356 506287 1012574 2025148 3200521 6401042 12802084 143279221 286558442 573116884 905747443 1811494886 3622989772 256326526369 512653052738 1025306105476