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1142210025 = 335211179049
BaseRepresentation
bin100010000010100…
…1011110111101001
32221121021021121000
41010011023313221
54314401210100
6305201305213
740206424245
oct10405136751
92847237530
101142210025
11536825330
1227a635209
1315283c428
14ab9a9425
156a422900
hex4414bde9

1142210025 has 96 divisors (see below), whose sum is σ = 2423952000. Its totient is φ = 521164800.

The previous prime is 1142209997. The next prime is 1142210033. The reversal of 1142210025 is 5200122411.

It is not a de Polignac number, because 1142210025 - 25 = 1142209993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 121701 + ... + 130749.

It is an arithmetic number, because the mean of its divisors is an integer number (25249500).

Almost surely, 21142210025 is an apocalyptic number.

1142210025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142210025 is an abundant number, since it is smaller than the sum of its proper divisors (1281741975).

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

1142210025 is a wasteful number, since it uses less digits than its factorization.

1142210025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096 (or 9085 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1142210025 is about 33796.5978317345. The cubic root of 1142210025 is about 1045.3185463866.

Adding to 1142210025 its reverse (5200122411), we get a palindrome (6342332436).

The spelling of 1142210025 in words is "one billion, one hundred forty-two million, two hundred ten thousand, twenty-five".

Divisors: 1 3 5 9 11 15 17 25 27 33 45 51 55 75 85 99 135 153 165 187 225 255 275 297 425 459 495 561 675 765 825 935 1275 1485 1683 2295 2475 2805 3825 4675 5049 7425 8415 9049 11475 14025 25245 27147 42075 45245 81441 99539 126225 135735 153833 226225 244323 298617 407205 461499 497695 678675 769165 895851 1221615 1384497 1493085 1692163 2036025 2307495 2488475 2687553 3845825 4153491 4479255 5076489 6108075 6922485 7465425 8460815 11537475 13437765 15229467 20767455 22396275 25382445 34612425 42304075 45688401 67188825 76147335 103837275 126912225 228442005 380736675 1142210025