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30023202032103 = 3712891109135987
BaseRepresentation
bin1101101001110010100100…
…10010101100100111100111
310221022012010120102010000110
412310321102102230213213
512413400004210011403
6143504245115144103
76216050635405530
oct664712222544747
9127265116363013
1030023202032103
11962584a9311a5
12344a845745033
13139a239317627
1475b1b8a29687
15370e8bbe5103
hex1b4e524ac9e7

30023202032103 has 16 divisors (see below), whose sum is σ = 45785133584640. Its totient is φ = 17142805799616.

The previous prime is 30023202032101. The next prime is 30023202032137. The reversal of 30023202032103 is 30123020232003.

It is not a de Polignac number, because 30023202032103 - 21 = 30023202032101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30023202032103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30023202032101) 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, 554540925 + ... + 554595062.

It is an arithmetic number, because the mean of its divisors is an integer number (2861570849040).

Almost surely, 230023202032103 is an apocalyptic number.

30023202032103 is a deficient number, since it is larger than the sum of its proper divisors (15761931552537).

30023202032103 is a wasteful number, since it uses less digits than its factorization.

30023202032103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109137286.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30023202032103 its reverse (30123020232003), we get a palindrome (60146222264106).

The spelling of 30023202032103 in words is "thirty trillion, twenty-three billion, two hundred two million, thirty-two thousand, one hundred three".

Divisors: 1 3 7 21 1289 3867 9023 27069 1109135987 3327407961 7763951909 23291855727 1429676287243 4289028861729 10007734010701 30023202032103