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10245488401 = 41249889961
BaseRepresentation
bin10011000101010110…
…11011111100010001
3222110000200201220101
421202223123330101
5131440321112101
64412352212401
7511615133401
oct114253337421
928400621811
1010245488401
114388347095
121b9b23a101
13c73810495
146d29c6801
153ee700401
hex262adbf11

10245488401 has 4 divisors (see below), whose sum is σ = 10495378404. Its totient is φ = 9995598400.

The previous prime is 10245488339. The next prime is 10245488411. The reversal of 10245488401 is 10488454201.

It is a Cunningham number, because it is equal to 1012202+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 493728400 + 9751760001 = 22220^2 + 98751^2 .

It is a cyclic number.

It is not a de Polignac number, because 10245488401 - 223 = 10237099793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10245488411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124944940 + ... + 124945021.

It is an arithmetic number, because the mean of its divisors is an integer number (2623844601).

Almost surely, 210245488401 is an apocalyptic number.

It is an amenable number.

10245488401 is a deficient number, since it is larger than the sum of its proper divisors (249890003).

10245488401 is an equidigital number, since it uses as much as digits as its factorization.

10245488401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249890002.

The product of its (nonzero) digits is 40960, while the sum is 37.

The spelling of 10245488401 in words is "ten billion, two hundred forty-five million, four hundred eighty-eight thousand, four hundred one".

Divisors: 1 41 249889961 10245488401