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121301031030 = 2354394031807
BaseRepresentation
bin111000011111000011…
…0101101100001110110
3102121002200021211112220
41300332012231201312
53441411030443110
6131420330023210
711522644515534
oct1607606554166
9377080254486
10121301031030
11474972a6a83
121b613577b06
13b5918c370a
145c2a055154
15324e2eb370
hex1c3e1ad876

121301031030 has 32 divisors (see below), whose sum is σ = 297892767744. Its totient is φ = 31594686816.

The previous prime is 121301031011. The next prime is 121301031041. The reversal of 121301031030 is 30130103121.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 47014614 + ... + 47017193.

It is an arithmetic number, because the mean of its divisors is an integer number (9309148992).

Almost surely, 2121301031030 is an apocalyptic number.

121301031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121301031030 is an abundant number, since it is smaller than the sum of its proper divisors (176591736714).

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

121301031030 is a wasteful number, since it uses less digits than its factorization.

121301031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94031860.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 121301031030 its reverse (30130103121), we get a palindrome (151431134151).

The spelling of 121301031030 in words is "one hundred twenty-one billion, three hundred one million, thirty-one thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1290 94031807 188063614 282095421 470159035 564190842 940318070 1410477105 2820954210 4043367701 8086735402 12130103103 20216838505 24260206206 40433677010 60650515515 121301031030