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1030311033020 = 225833131982969
BaseRepresentation
bin11101111111000110101…
…00101011100010111100
310122111102010222102221122
432333203110223202330
5113340034111024040
62105152433050112
7134303032165463
oct16774324534274
93574363872848
101030311033020
11367a52799705
121478210b6938
1376208c22539
1437c1dcd79da
151bc0282d1b5
hexefe352b8bc

1030311033020 has 48 divisors (see below), whose sum is σ = 2196718302240. Its totient is φ = 405858026496.

The previous prime is 1030311032981. The next prime is 1030311033041. The reversal of 1030311033020 is 203301130301.

It is a self number, because there is not a number n which added to its sum of digits gives 1030311033020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471905 + ... + 1511064.

It is an arithmetic number, because the mean of its divisors is an integer number (45764964630).

Almost surely, 21030311033020 is an apocalyptic number.

1030311033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030311033020 is an abundant number, since it is smaller than the sum of its proper divisors (1166407269220).

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

1030311033020 is a wasteful number, since it uses less digits than its factorization.

1030311033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983374 (or 1983372 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 1030311033020 its reverse (203301130301), we get a palindrome (1233612163321).

The spelling of 1030311033020 in words is "one trillion, thirty billion, three hundred eleven million, thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 83 166 313 332 415 626 830 1252 1565 1660 3130 6260 25979 51958 103916 129895 259790 519580 1982969 3965938 7931876 9914845 19829690 39659380 164586427 329172854 620669297 658345708 822932135 1241338594 1645864270 2482677188 3103346485 3291728540 6206692970 12413385940 51515551651 103031103302 206062206604 257577758255 515155516510 1030311033020