Search a number
-
+
345140055450 = 23252766977901
BaseRepresentation
bin1010000010110111111…
…00110100110110011010
31012222212101220102202200
411001123330310312122
521123321323233300
6422315525111030
733635615031501
oct5013374646632
91188771812680
10345140055450
11123411622053
1256a82858476
1326714a693a8
14129c222b838
158ea0565200
hex505bf34d9a

345140055450 has 36 divisors (see below), whose sum is σ = 927276283518. Its totient is φ = 92037348000.

The previous prime is 345140055413. The next prime is 345140055457. The reversal of 345140055450 is 54550041543.

345140055450 is a `hidden beast` number, since 3 + 4 + 51 + 4 + 0 + 0 + 554 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 211554922401 + 133585133049 = 459951^2 + 365493^2 .

It is not an unprimeable number, because it can be changed into a prime (345140055457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 383488501 + ... + 383489400.

Almost surely, 2345140055450 is an apocalyptic number.

345140055450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345140055450 is an abundant number, since it is smaller than the sum of its proper divisors (582136228068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345140055450 is a wasteful number, since it uses less digits than its factorization.

345140055450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766977919 (or 766977911 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 345140055450 its reverse (54550041543), we get a palindrome (399690096993).

The spelling of 345140055450 in words is "three hundred forty-five billion, one hundred forty million, fifty-five thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 766977901 1533955802 2300933703 3834889505 4601867406 6902801109 7669779010 11504668515 13805602218 19174447525 23009337030 34514005545 38348895050 57523342575 69028011090 115046685150 172570027725 345140055450