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30121244212103 = 1159611676536977
BaseRepresentation
bin1101101100101001001100…
…00011111011101110000111
310221122120012022001220010022
412312110212003323232013
512422001302004241403
6144021301503245355
76226121340240152
oct666244603735607
9127576168056108
1030121244212103
11966339110a140
1234658478a985b
1313a656232a8a5
14761c39a50c99
153737c90eed38
hex1b65260fbb87

30121244212103 has 64 divisors (see below), whose sum is σ = 34224899466240. Its totient is φ = 26274919833600.

The previous prime is 30121244212097. The next prime is 30121244212123.

It is a happy number.

30121244212103 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 30121244212103 - 26 = 30121244212039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121244212123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4317216551 + ... + 4317223527.

It is an arithmetic number, because the mean of its divisors is an integer number (534764054160).

Almost surely, 230121244212103 is an apocalyptic number.

30121244212103 is a deficient number, since it is larger than the sum of its proper divisors (4103655254137).

30121244212103 is a wasteful number, since it uses less digits than its factorization.

30121244212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928.

The product of its (nonzero) digits is 2304, while the sum is 26.

It can be divided in two parts, 3012124 and 4212103, that added together give a palindrome (7224227).

The spelling of 30121244212103 in words is "thirty trillion, one hundred twenty-one billion, two hundred forty-four million, two hundred twelve thousand, one hundred three".

Divisors: 1 11 59 61 167 649 653 671 1837 3599 6977 7183 9853 10187 38527 39589 39833 76747 108383 109051 112057 411643 423797 425597 438163 601033 1165159 1199561 2350147 4528073 4555981 4681567 6434009 6611363 6652111 12816749 25110223 25851617 50115791 68744381 70774099 71074699 73173221 268802879 276212453 277914841 392474549 756188191 760848827 781821689 2956831669 3057063251 4193407241 4317220039 8369337097 16396975619 44890080793 46127479651 46411778447 180366731809 493790888723 510529562917 2738294928373 30121244212103