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30213012311421 = 319182164223837
BaseRepresentation
bin1101101111010100000111…
…10111011100110101111101
310221222100001202221100112120
412313222003313130311331
512430002222122431141
6144131355524153153
76235550416225212
oct667520367346575
9127870052840476
1030213012311421
1196992a2886435
12347b5988387b9
1313b20c8550a84
147664636bdb09
15375d9a7d2c66
hex1b7a83ddcd7d

30213012311421 has 16 divisors (see below), whose sum is σ = 40544252034048. Its totient is φ = 20012147297600.

The previous prime is 30213012311407. The next prime is 30213012311437. The reversal of 30213012311421 is 12411321031203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30213012311421 is a prime.

It is a super-2 number, since 2×302130123114212 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30213012311391 and 30213012311400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213012311921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31641486 + ... + 32582351.

It is an arithmetic number, because the mean of its divisors is an integer number (2534015752128).

Almost surely, 230213012311421 is an apocalyptic number.

It is an amenable number.

30213012311421 is a deficient number, since it is larger than the sum of its proper divisors (10331239722627).

30213012311421 is a wasteful number, since it uses less digits than its factorization.

30213012311421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64224852.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 30213012311421 its reverse (12411321031203), we get a palindrome (42624333342624).

The spelling of 30213012311421 in words is "thirty trillion, two hundred thirteen billion, twelve million, three hundred eleven thousand, four hundred twenty-one".

Divisors: 1 3 191 573 821 2463 156811 470433 64223837 192671511 12266752867 36800258601 52727770177 158183310531 10071004103807 30213012311421