Search a number
-
+
10305231455 = 57129028821
BaseRepresentation
bin10011001100011110…
…10101101001011111
3222121012002222222002
421212033111221133
5132101114401310
64422324512515
7513242010401
oct114617255137
928535088862
1010305231455
114409041a12
121bb724b73b
13c82cca4bc
146da8d8b71
15404aa1da5
hex2663d5a5f

10305231455 has 8 divisors (see below), whose sum is σ = 12540451104. Its totient is φ = 8128069600.

The previous prime is 10305231439. The next prime is 10305231493. The reversal of 10305231455 is 55413250301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10305231455 - 24 = 10305231439 is a prime.

It is a super-2 number, since 2×103052314552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14514056 + ... + 14514765.

It is an arithmetic number, because the mean of its divisors is an integer number (1567556388).

Almost surely, 210305231455 is an apocalyptic number.

10305231455 is a deficient number, since it is larger than the sum of its proper divisors (2235219649).

10305231455 is an equidigital number, since it uses as much as digits as its factorization.

10305231455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29028897.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 10305231455 its reverse (55413250301), we get a palindrome (65718481756).

The spelling of 10305231455 in words is "ten billion, three hundred five million, two hundred thirty-one thousand, four hundred fifty-five".

Divisors: 1 5 71 355 29028821 145144105 2061046291 10305231455