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1250201420 = 2251317282851
BaseRepresentation
bin100101010000100…
…1000111101001100
310020010110210221022
41022201020331030
510030022421140
6324020053312
742660352046
oct11241107514
93203423838
101250201420
11591784916
122aa834238
1316c020470
14bc07aa96
1574b550b5
hex4a848f4c

1250201420 has 48 divisors (see below), whose sum is σ = 2993705568. Its totient is φ = 434457600.

The previous prime is 1250201419. The next prime is 1250201461. The reversal of 1250201420 is 241020521.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 15 ways as a sum of consecutive naturals, for example, 137006 + ... + 145845.

It is an arithmetic number, because the mean of its divisors is an integer number (62368866).

Almost surely, 21250201420 is an apocalyptic number.

1250201420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250201420 is an abundant number, since it is smaller than the sum of its proper divisors (1743504148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1250201420 is a wasteful number, since it uses less digits than its factorization.

1250201420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282890 (or 282888 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1250201420 is about 35358.1874535446. The cubic root of 1250201420 is about 1077.2752014065.

Adding to 1250201420 its reverse (241020521), we get a palindrome (1491221941).

The spelling of 1250201420 in words is "one billion, two hundred fifty million, two hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 17 20 26 34 52 65 68 85 130 170 221 260 340 442 884 1105 2210 4420 282851 565702 1131404 1414255 2828510 3677063 4808467 5657020 7354126 9616934 14708252 18385315 19233868 24042335 36770630 48084670 62510071 73541260 96169340 125020142 250040284 312550355 625100710 1250201420