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20350250512 = 241271890657
BaseRepresentation
bin10010111100111110…
…000010111000010000
31221112020120211121221
4102330332002320100
5313134131004022
613203200254424
71320204163264
oct227476027020
957466524557
1020350250512
1186a3205459
123b3b311414
131bc411ab67
14db0a1a0a4
157e18a3cc7
hex4bcf82e10

20350250512 has 10 divisors (see below), whose sum is σ = 39428610398. Its totient is φ = 10175125248.

The previous prime is 20350250497. The next prime is 20350250539. The reversal of 20350250512 is 21505205302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19834778896 + 515471616 = 140836^2 + 22704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635945313 + ... + 635945344.

Almost surely, 220350250512 is an apocalyptic number.

It is an amenable number.

20350250512 is a deficient number, since it is larger than the sum of its proper divisors (19078359886).

20350250512 is a wasteful number, since it uses less digits than its factorization.

20350250512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271890665 (or 1271890659 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 20350250512 its reverse (21505205302), we get a palindrome (41855455814).

The spelling of 20350250512 in words is "twenty billion, three hundred fifty million, two hundred fifty thousand, five hundred twelve".

Divisors: 1 2 4 8 16 1271890657 2543781314 5087562628 10175125256 20350250512