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1030303120121 = 117115124136251
BaseRepresentation
bin11101111111000101101…
…10011111101011111001
310122111101121002102111022
432333202312133223321
5113340030044320441
62105151551312225
7134302605011012
oct16774266375371
93574347072438
101030303120121
11367a49284620
1214781a51b675
13762073b1952
1437c1cc38009
151bc01cb884b
hexefe2d9faf9

1030303120121 has 32 divisors (see below), whose sum is σ = 1152138442752. Its totient is φ = 913500000000.

The previous prime is 1030303120097. The next prime is 1030303120139. The reversal of 1030303120121 is 1210213030301.

It is a cyclic number.

It is not a de Polignac number, because 1030303120121 - 218 = 1030302857977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1030303120121.

It is not an unprimeable number, because it can be changed into a prime (1030303120321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28403246 + ... + 28439496.

It is an arithmetic number, because the mean of its divisors is an integer number (36004326336).

Almost surely, 21030303120121 is an apocalyptic number.

1030303120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1030303120121 is a deficient number, since it is larger than the sum of its proper divisors (121835322631).

1030303120121 is a wasteful number, since it uses less digits than its factorization.

1030303120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36725.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1030303120121 its reverse (1210213030301), we get a palindrome (2240516150422).

The spelling of 1030303120121 in words is "one trillion, thirty billion, three hundred three million, one hundred twenty thousand, one hundred twenty-one".

Divisors: 1 11 71 151 241 781 1661 2651 10721 17111 36251 36391 117931 188221 398761 400301 2573821 2583761 5473901 8736491 28312031 28421371 60212911 96101401 388646971 620290861 1319210141 4275116681 6823199471 14511311551 93663920011 1030303120121