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121030123002 = 2368329533949
BaseRepresentation
bin111000010110111110…
…1010001110111111010
3102120101210112021121020
41300231331101313322
53440332202414002
6131333411323310
711513145033315
oct1605575216772
9376353467536
10121030123002
1147368392848
121b5588b0536
13b54a7404c9
145c0209597c
1532356372bc
hex1c2df51dfa

121030123002 has 16 divisors (see below), whose sum is σ = 242414661600. Its totient is φ = 40284305072.

The previous prime is 121030122991. The next prime is 121030123007. The reversal of 121030123002 is 200321030121.

It is not an unprimeable number, because it can be changed into a prime (121030123007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14762877 + ... + 14771072.

It is an arithmetic number, because the mean of its divisors is an integer number (15150916350).

Almost surely, 2121030123002 is an apocalyptic number.

121030123002 is an abundant number, since it is smaller than the sum of its proper divisors (121384538598).

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

121030123002 is a wasteful number, since it uses less digits than its factorization.

121030123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29534637.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121030123002 its reverse (200321030121), we get a palindrome (321351153123).

The spelling of 121030123002 in words is "one hundred twenty-one billion, thirty million, one hundred twenty-three thousand, two".

Divisors: 1 2 3 6 683 1366 2049 4098 29533949 59067898 88601847 177203694 20171687167 40343374334 60515061501 121030123002