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20352310031212 = 2237349394027531
BaseRepresentation
bin1001010000010101001000…
…01101011011001101101100
32200001122212110221110010021
410220022210031123031230
510131423012331444322
6111141415552451524
74200256133621005
oct450124415331554
980048773843107
1020352310031212
116537403479a95
1223484b7549ba4
13b482a362a323
145050b28101ac
15254624add4c7
hex1282a435b36c

20352310031212 has 24 divisors (see below), whose sum is σ = 36683963229200. Its totient is φ = 9872753791680.

The previous prime is 20352310031197. The next prime is 20352310031227. The reversal of 20352310031212 is 21213001325302.

It is an interprime number because it is at equal distance from previous prime (20352310031197) and next prime (20352310031227).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196962114 + ... + 197065417.

Almost surely, 220352310031212 is an apocalyptic number.

It is an amenable number.

20352310031212 is a deficient number, since it is larger than the sum of its proper divisors (16331653197988).

20352310031212 is a wasteful number, since it uses less digits than its factorization.

20352310031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394027921 (or 394027919 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 20352310031212 its reverse (21213001325302), we get a palindrome (41565311356514).

The spelling of 20352310031212 in words is "twenty trillion, three hundred fifty-two billion, three hundred ten million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 37 74 148 349 698 1396 12913 25826 51652 394027531 788055062 1576110124 14579018647 29158037294 58316074588 137515608319 275031216638 550062433276 5088077507803 10176155015606 20352310031212