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30121322312103 = 3113724669387643
BaseRepresentation
bin1101101100101001010101…
…01101110111000110100111
310221122120101202000210011220
412312110222231313012213
512422001432002441403
6144021313333231423
76226123306131021
oct666245255670647
9127576352023156
1030121322312103
1196634212028a0
123465869a92573
1313a65755741c9
14761c46181011
153737d0dca953
hex1b652ab771a7

30121322312103 has 16 divisors (see below), whose sum is σ = 44996963062656. Its totient is φ = 17761959102240.

The previous prime is 30121322312087. The next prime is 30121322312131.

30121322312103 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 30121322312103 - 24 = 30121322312087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121322322103) 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, 12334692601 + ... + 12334695042.

It is an arithmetic number, because the mean of its divisors is an integer number (2812310191416).

Almost surely, 230121322312103 is an apocalyptic number.

30121322312103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30121322312103 is a deficient number, since it is larger than the sum of its proper divisors (14875640750553).

30121322312103 is a wasteful number, since it uses less digits than its factorization.

30121322312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24669387694.

The product of its (nonzero) digits is 1296, while the sum is 24.

It can be divided in two parts, 3012132 and 2312103, that added together give a palindrome (5324235).

The spelling of 30121322312103 in words is "thirty trillion, one hundred twenty-one billion, three hundred twenty-two million, three hundred twelve thousand, one hundred three".

Divisors: 1 3 11 33 37 111 407 1221 24669387643 74008162929 271363264073 814089792219 912767342791 2738302028373 10040440770701 30121322312103