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121112323030 = 2531739528667
BaseRepresentation
bin111000011001011011…
…0110110001111010110
3102120121112012110211201
41300302312312033112
53441014223314110
6131345505223114
711515163521456
oct1606266661726
9376545173751
10121112323030
11473aa826956
121b580331a9a
13b56179108a
145c0cd71d66
15323c972b3a
hex1c32db63d6

121112323030 has 32 divisors (see below), whose sum is σ = 225339448320. Its totient is φ = 46818660960.

The previous prime is 121112322973. The next prime is 121112323037. The reversal of 121112323030 is 30323211121.

It is a junction number, because it is equal to n+sod(n) for n = 121112322989 and 121112323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112323037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35244 + ... + 493423.

It is an arithmetic number, because the mean of its divisors is an integer number (7041857760).

Almost surely, 2121112323030 is an apocalyptic number.

121112323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112323030 is a deficient number, since it is larger than the sum of its proper divisors (104227125290).

121112323030 is a wasteful number, since it uses less digits than its factorization.

121112323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529444.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121112323030 its reverse (30323211121), we get a palindrome (151435534151).

The spelling of 121112323030 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred twenty-three thousand, thirty".

Divisors: 1 2 5 10 31 62 155 310 739 1478 3695 7390 22909 45818 114545 229090 528667 1057334 2643335 5286670 16388677 32777354 81943385 163886770 390684913 781369826 1953424565 3906849130 12111232303 24222464606 60556161515 121112323030