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30211110310121 = 13139146571140679
BaseRepresentation
bin1101101111010000100100…
…11111111001000011101001
310221222011011012222200020222
412313220102133321003221
512424434323214410441
6144130443101455425
76235452322412006
oct667502237710351
9127864135880228
1030211110310121
119698507193734
12347b147871575
1313b1b84499310
14766322c548ad
15375cd882bd4b
hex1b7a127f90e9

30211110310121 has 16 divisors (see below), whose sum is σ = 32771371382400. Its totient is φ = 27684638327808.

The previous prime is 30211110310093. The next prime is 30211110310141. The reversal of 30211110310121 is 12101301111203.

It is a cyclic number.

It is not a de Polignac number, because 30211110310121 - 230 = 30210036568297 is a prime.

It is a super-2 number, since 2×302111103101212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30211110310121.

It is not an unprimeable number, because it can be changed into a prime (30211110310141) 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, 25914860 + ... + 27055538.

It is an arithmetic number, because the mean of its divisors is an integer number (2048210711400).

Almost surely, 230211110310121 is an apocalyptic number.

It is an amenable number.

30211110310121 is a deficient number, since it is larger than the sum of its proper divisors (2560261072279).

30211110310121 is a wasteful number, since it uses less digits than its factorization.

30211110310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155488.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 30211110310121 its reverse (12101301111203), we get a palindrome (42312411421324).

The spelling of 30211110310121 in words is "thirty trillion, two hundred eleven billion, one hundred ten million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 13 139 1807 14657 190541 1140679 2037323 14828827 26485199 158554381 2061206953 16718932103 217346117339 2323931562317 30211110310121