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30123032200121 = 715128498611353
BaseRepresentation
bin1101101100101100100001…
…01000100100001110111001
310221122201210220111002120202
412312112100220210032321
512422013432220400441
6144022155134131545
76226213551005210
oct666262050441671
9127581726432522
1030123032200121
119664119409a93
123466066650bb5
1313a67888a3373
14761d692bc077
1537388108419b
hex1b6590a243b9

30123032200121 has 8 divisors (see below), whose sum is σ = 34654311406464. Its totient is φ = 25648750216800.

The previous prime is 30123032200109. The next prime is 30123032200127. The reversal of 30123032200121 is 12100223032103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30123032200121 is a prime.

It is a super-2 number, since 2×301230322001212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30123032200093 and 30123032200102.

It is not an unprimeable number, because it can be changed into a prime (30123032200127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14249304620 + ... + 14249306733.

It is an arithmetic number, because the mean of its divisors is an integer number (4331788925808).

Almost surely, 230123032200121 is an apocalyptic number.

It is an amenable number.

30123032200121 is a deficient number, since it is larger than the sum of its proper divisors (4531279206343).

30123032200121 is a wasteful number, since it uses less digits than its factorization.

30123032200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28498611511.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30123032200121 its reverse (12100223032103), we get a palindrome (42223255232224).

The spelling of 30123032200121 in words is "thirty trillion, one hundred twenty-three billion, thirty-two million, two hundred thousand, one hundred twenty-one".

Divisors: 1 7 151 1057 28498611353 199490279471 4303290314303 30123032200121