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1351145050 = 25227022901
BaseRepresentation
bin101000010001000…
…1101011001011010
310111011102021120021
41100202031121122
510231343120200
6342023421054
745324354253
oct12042153132
93434367507
101351145050
11633760302
123185b478a
13186c04618
14cb635b2a
157d94441a
hex5088d65a

1351145050 has 12 divisors (see below), whose sum is σ = 2513129886. Its totient is φ = 540458000.

The previous prime is 1351145009. The next prime is 1351145071. The reversal of 1351145050 is 505411531.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1116963241 + 234181809 = 33421^2 + 15303^2 .

It is a super-2 number, since 2×13511450502 = 3651185892279005000, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13511401 + ... + 13511500.

Almost surely, 21351145050 is an apocalyptic number.

1351145050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1351145050 is a deficient number, since it is larger than the sum of its proper divisors (1161984836).

1351145050 is a wasteful number, since it uses less digits than its factorization.

1351145050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27022913 (or 27022908 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1351145050 is about 36757.9249958427. The cubic root of 1351145050 is about 1105.5218353823.

Adding to 1351145050 its reverse (505411531), we get a palindrome (1856556581).

The spelling of 1351145050 in words is "one billion, three hundred fifty-one million, one hundred forty-five thousand, fifty".

Divisors: 1 2 5 10 25 50 27022901 54045802 135114505 270229010 675572525 1351145050