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30202312021312 = 2610346371913763
BaseRepresentation
bin1101101111000000001100…
…00101000101010101000000
310221221022110001110021222111
412313200012011011111000
512424313313334140222
6144122430043545104
76235021306243144
oct667400605052500
9127838401407874
1030202312021312
119694801844072
1234794b122b194
1313b10b1752172
14765b2a549224
153759711e6777
hex1b7806145540

30202312021312 has 112 divisors (see below), whose sum is σ = 60734044200960. Its totient is φ = 14900406732288.

The previous prime is 30202312021309. The next prime is 30202312021327. The reversal of 30202312021312 is 21312021320203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2194450143 + ... + 2194463905.

Almost surely, 230202312021312 is an apocalyptic number.

30202312021312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30202312021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30367022100480).

30202312021312 is an abundant number, since it is smaller than the sum of its proper divisors (30531732179648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30202312021312 is a wasteful number, since it uses less digits than its factorization.

30202312021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15060 (or 15050 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30202312021312 its reverse (21312021320203), we get a palindrome (51514333341515).

The spelling of 30202312021312 in words is "thirty trillion, two hundred two billion, three hundred twelve million, twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 103 206 412 463 719 824 926 1438 1648 1852 2876 3296 3704 5752 6592 7408 11504 13763 14816 23008 27526 29632 46016 47689 55052 74057 95378 110104 148114 190756 220208 296228 332897 381512 440416 592456 665794 763024 880832 1184912 1331588 1417589 1526048 2369824 2663176 2835178 3052096 4739648 5326352 5670356 6372269 9895597 10652704 11340712 12744538 19791194 21305408 22681424 25489076 34288391 39582388 45362848 50978152 68576782 79164776 90725696 101956304 137153564 158329552 203912608 274307128 316659104 407825216 548614256 633318208 656343707 1019246491 1097228512 1312687414 2038492982 2194457024 2625374828 4076985964 4581661411 5250749656 8153971928 9163322822 10501499312 16307943856 18326645644 21002998624 32615887712 36653291288 42005997248 65231775424 73306582576 146613165152 293226330304 471911125333 943822250666 1887644501332 3775289002664 7550578005328 15101156010656 30202312021312