Search a number
-
+
1420442031250 = 257114871697
BaseRepresentation
bin10100101010111000111…
…100010101010010010010
312000210102001021120121101
4110222320330111102102
5141233031130000000
63004313030215014
7204423610023544
oct24527074252222
95023361246541
101420442031250
114a845154a9a0
121ab35b1b446a
13a3c40a4b358
144ca6d4b7694
1526e37ae2e6a
hex14ab8f15492

1420442031250 has 128 divisors (see below), whose sum is σ = 2913123792384. Its totient is φ = 515160000000.

The previous prime is 1420442031191. The next prime is 1420442031259. The reversal of 1420442031250 is 521302440241.

It is not an unprimeable number, because it can be changed into a prime (1420442031259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 837030402 + ... + 837032098.

It is an arithmetic number, because the mean of its divisors is an integer number (22758779628).

Almost surely, 21420442031250 is an apocalyptic number.

1420442031250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420442031250 is an abundant number, since it is smaller than the sum of its proper divisors (1492681761134).

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

1420442031250 is an frugal number, since it uses more digits than its factorization.

1420442031250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 1420442031250 its reverse (521302440241), we get a palindrome (1941744471491).

The spelling of 1420442031250 in words is "one trillion, four hundred twenty billion, four hundred forty-two million, thirty-one thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 487 550 625 974 1250 1375 1697 2435 2750 3125 3394 4870 5357 6250 6875 8485 10714 12175 13750 15625 16970 18667 24350 26785 31250 34375 37334 42425 53570 60875 68750 78125 84850 93335 121750 133925 156250 171875 186670 212125 267850 304375 343750 424250 466675 608750 669625 826439 859375 933350 1060625 1339250 1521875 1652878 1718750 2121250 2333375 3043750 3348125 4132195 4666750 5303125 6696250 7609375 8264390 9090829 10606250 11666875 15218750 16740625 18181658 20660975 23333750 26515625 33481250 38046875 41321950 45454145 53031250 58334375 76093750 83703125 90908290 103304875 116668750 132578125 167406250 206609750 227270725 265156250 291671875 418515625 454541450 516524375 583343750 837031250 1033048750 1136353625 1458359375 2272707250 2582621875 2916718750 5165243750 5681768125 11363536250 12913109375 25826218750 28408840625 56817681250 64565546875 129131093750 142044203125 284088406250 710221015625 1420442031250