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123014014450 = 2522460280289
BaseRepresentation
bin111001010010000110…
…1001110010111110010
3102202112001120102001021
41302210031032113302
54003413041430300
6132302321130054
711613254604355
oct1624415162762
9382461512037
10123014014450
1148196227858
121ba1118992a
13b7a5767782
145d4d75a29c
1532ee8b6d1a
hex1ca434e5f2

123014014450 has 12 divisors (see below), whose sum is σ = 228806066970. Its totient is φ = 49205605760.

The previous prime is 123014014427. The next prime is 123014014457. The reversal of 123014014450 is 54410410321.

It can be written as a sum of positive squares in 3 ways, for example, as 86424828361 + 36589186089 = 293981^2 + 191283^2 .

It is a super-2 number, since 2×1230140144502 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (123014014457) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1230140095 + ... + 1230140194.

Almost surely, 2123014014450 is an apocalyptic number.

123014014450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123014014450 is a deficient number, since it is larger than the sum of its proper divisors (105792052520).

123014014450 is a wasteful number, since it uses less digits than its factorization.

123014014450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460280301 (or 2460280296 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 123014014450 its reverse (54410410321), we get a palindrome (177424424771).

The spelling of 123014014450 in words is "one hundred twenty-three billion, fourteen million, fourteen thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 2460280289 4920560578 12301401445 24602802890 61507007225 123014014450