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121302445435 = 5103490947981
BaseRepresentation
bin111000011111000110…
…0000110110101111011
3102121002202221200202021
41300332030012311323
53441411411223220
6131420420215311
711522662526263
oct1607614066573
9377082850667
10121302445435
1147498082706
121b613b3a537
13b591c9a442
145c2a3027a3
15324e4ca4aa
hex1c3e306d7b

121302445435 has 16 divisors (see below), whose sum is σ = 147009170880. Its totient is φ = 96078222720.

The previous prime is 121302445421. The next prime is 121302445477. The reversal of 121302445435 is 534544203121.

It is not a de Polignac number, because 121302445435 - 217 = 121302314363 is a prime.

It is a super-2 number, since 2×1213024454352 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121302445435.

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, 2504145 + ... + 2552125.

It is an arithmetic number, because the mean of its divisors is an integer number (9188073180).

Almost surely, 2121302445435 is an apocalyptic number.

121302445435 is a deficient number, since it is larger than the sum of its proper divisors (25706725445).

121302445435 is a wasteful number, since it uses less digits than its factorization.

121302445435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52998.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 121302445435 its reverse (534544203121), we get a palindrome (655846648556).

The spelling of 121302445435 in words is "one hundred twenty-one billion, three hundred two million, four hundred forty-five thousand, four hundred thirty-five".

Divisors: 1 5 103 515 4909 24545 47981 239905 505627 2528135 4942043 24710215 235538729 1177693645 24260489087 121302445435