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250205424442 = 21459246734757
BaseRepresentation
bin1110100100000101100…
…1111100101100111010
3212220211020122111110221
43221001121330230322
513044410042040232
6310535350330254
724035216005561
oct3510131745472
9786736574427
10250205424442
1197125491716
12405a935998a
131a7957c520c
14c177c06bd8
156795d95897
hex3a4167cb3a

250205424442 has 16 divisors (see below), whose sum is σ = 375728418720. Its totient is φ = 124962695568.

The previous prime is 250205424439. The next prime is 250205424451. The reversal of 250205424442 is 244424502052.

It is a happy number.

It is a super-2 number, since 2×2502054244422 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250205424398 and 250205424407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7181328 + ... + 7216084.

It is an arithmetic number, because the mean of its divisors is an integer number (23483026170).

Almost surely, 2250205424442 is an apocalyptic number.

250205424442 is a deficient number, since it is larger than the sum of its proper divisors (125522994278).

250205424442 is a wasteful number, since it uses less digits than its factorization.

250205424442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38685.

The product of its (nonzero) digits is 102400, while the sum is 34.

Adding to 250205424442 its reverse (244424502052), we get a palindrome (494629926494).

The spelling of 250205424442 in words is "two hundred fifty billion, two hundred five million, four hundred twenty-four thousand, four hundred forty-two".

Divisors: 1 2 1459 2467 2918 4934 34757 69514 3599353 7198706 50710463 85745519 101420926 171491038 125102712221 250205424442