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1024220242425 = 352197148146807
BaseRepresentation
bin11101110011110000100…
…10001010000111111001
310121220200200002012222210
432321320102022013321
5113240100340224200
62102304214205333
7133666063262502
oct16717022120771
93556620065883
101024220242425
11365407697576
12146601353849
13757780b8a33
1437803013ba9
151b997c5e650
hexee7848a1f9

1024220242425 has 48 divisors (see below), whose sum is σ = 1703158883712. Its totient is φ = 543099379200.

The previous prime is 1024220242421. The next prime is 1024220242453. The reversal of 1024220242425 is 5242420224201.

It is not a de Polignac number, because 1024220242425 - 22 = 1024220242421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1024220242392 and 1024220242401.

It is not an unprimeable number, because it can be changed into a prime (1024220242421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21858372 + ... + 21905178.

It is an arithmetic number, because the mean of its divisors is an integer number (35482476744).

Almost surely, 21024220242425 is an apocalyptic number.

1024220242425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1024220242425 is a deficient number, since it is larger than the sum of its proper divisors (678938641287).

1024220242425 is a wasteful number, since it uses less digits than its factorization.

1024220242425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48498 (or 48493 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 1024220242425 its reverse (5242420224201), we get a palindrome (6266640466626).

The spelling of 1024220242425 in words is "one trillion, twenty-four billion, two hundred twenty million, two hundred forty-two thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 197 591 985 1481 2955 4443 4925 7405 14775 22215 37025 46807 111075 140421 234035 291757 702105 875271 1170175 1458785 3510525 4376355 7293925 9220979 21881775 27662937 46104895 69321167 138314685 207963501 230524475 346605835 691573425 1039817505 1733029175 5199087525 13656269899 40968809697 68281349495 204844048485 341406747475 1024220242425