Search a number
-
+
349497039481 = 4739171898419
BaseRepresentation
bin1010001010111111010…
…01011001101001111001
31020102010001100011020121
411011133221121221321
521211232220230411
6424320130253241
734151601551032
oct5053751315171
91212101304217
10349497039481
11125247a706a7
1257899a27221
1326c5a61ab55
1412cb6b49a89
159157d03571
hex515fa59a79

349497039481 has 8 divisors (see below), whose sum is σ = 357024458880. Its totient is φ = 341973424848.

The previous prime is 349497039401. The next prime is 349497039491. The reversal of 349497039481 is 184930794943.

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 349497039481 - 211 = 349497037433 is a prime.

It is a super-2 number, since 2×3494970394812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349497039401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765111 + ... + 1133308.

It is an arithmetic number, because the mean of its divisors is an integer number (44628057360).

Almost surely, 2349497039481 is an apocalyptic number.

It is an amenable number.

349497039481 is a deficient number, since it is larger than the sum of its proper divisors (7527419399).

349497039481 is a wasteful number, since it uses less digits than its factorization.

349497039481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902383.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 349497039481 in words is "three hundred forty-nine billion, four hundred ninety-seven million, thirty-nine thousand, four hundred eighty-one".

Divisors: 1 47 3917 184099 1898419 89225693 7436107223 349497039481