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30215053353212 = 2271326385260641
BaseRepresentation
bin1101101111010111111011…
…00001011010000011111100
310221222112100000112000111222
412313223331201122003330
512430020412124300322
6144132334234532512
76235652121624320
oct667537541320374
9127875300460458
1030215053353212
11969a14aa05332
12347ba68297138
1313b2362367c00
147665b87bd980
15375e69aa0e42
hex1b7afd85a0fc

30215053353212 has 36 divisors (see below), whose sum is σ = 65436151059216. Its totient is φ = 11953207918080.

The previous prime is 30215053353203. The next prime is 30215053353223. The reversal of 30215053353212 is 21235335051203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3192625589 + ... + 3192635052.

It is an arithmetic number, because the mean of its divisors is an integer number (1817670862756).

Almost surely, 230215053353212 is an apocalyptic number.

It is an amenable number.

30215053353212 is an abundant number, since it is smaller than the sum of its proper divisors (35221097706004).

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

30215053353212 is a wasteful number, since it uses less digits than its factorization.

30215053353212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385260678 (or 6385260663 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 30215053353212 in words is "thirty trillion, two hundred fifteen billion, fifty-three million, three hundred fifty-three thousand, two hundred twelve".

Divisors: 1 2 4 7 13 14 26 28 52 91 169 182 338 364 676 1183 2366 4732 6385260641 12770521282 25541042564 44696824487 83008388333 89393648974 166016776666 178787297948 332033553332 581058718331 1079109048329 1162117436662 2158218096658 2324234873324 4316436193316 7553763338303 15107526676606 30215053353212