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245233201405 = 5132749369469
BaseRepresentation
bin1110010001100100001…
…0011011000011111101
3212102222201112101202011
43210121002123003331
513004214144421110
6304354130331221
723501051550523
oct3443102330375
9772881471664
10245233201405
1195003826985
123b640129b11
131a1826407ca
14bc256d6313
1565a45c948a
hex391909b0fd

245233201405 has 8 divisors (see below), whose sum is σ = 294282855000. Its totient is φ = 196184552256.

The previous prime is 245233201387. The next prime is 245233201427. The reversal of 245233201405 is 504102332542.

245233201405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7247287161 + 237985914244 = 85131^2 + 487838^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 245233201405 - 29 = 245233200893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479011 + ... + 848479.

It is an arithmetic number, because the mean of its divisors is an integer number (36785356875).

Almost surely, 2245233201405 is an apocalyptic number.

It is an amenable number.

245233201405 is a deficient number, since it is larger than the sum of its proper divisors (49049653595).

245233201405 is a wasteful number, since it uses less digits than its factorization.

245233201405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502223.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 245233201405 its reverse (504102332542), we get a palindrome (749335533947).

The spelling of 245233201405 in words is "two hundred forty-five billion, two hundred thirty-three million, two hundred one thousand, four hundred five".

Divisors: 1 5 132749 369469 663745 1847345 49046640281 245233201405