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254133403225442 = 2139774361662517
BaseRepresentation
bin111001110010001000001011…
…001110011000110101100010
31020022210220201211012000220222
4321302020023032120311202
5231302210202211203232
62300255135043003042
7104346350432536346
oct7162101316306542
91208726654160828
10254133403225442
1173a7a409970844
122460490a669482
13aba58a5767070
1446a819da03626
151e5a8d66b0d12
hexe7220b398d62

254133403225442 has 8 divisors (see below), whose sum is σ = 410523189825756. Its totient is φ = 117292339950192.

The previous prime is 254133403225367. The next prime is 254133403225523. The reversal of 254133403225442 is 244522304331452.

It can be written as a sum of positive squares in 2 ways, for example, as 253933754219401 + 199649006041 = 15935299^2 + 446821^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 254133403225393 and 254133403225402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4887180831233 + ... + 4887180831284.

Almost surely, 2254133403225442 is an apocalyptic number.

254133403225442 is a deficient number, since it is larger than the sum of its proper divisors (156389786600314).

254133403225442 is a wasteful number, since it uses less digits than its factorization.

254133403225442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9774361662532.

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 254133403225442 its reverse (244522304331452), we get a palindrome (498655707556894).

The spelling of 254133403225442 in words is "two hundred fifty-four trillion, one hundred thirty-three billion, four hundred three million, two hundred twenty-five thousand, four hundred forty-two".

Divisors: 1 2 13 26 9774361662517 19548723325034 127066701612721 254133403225442