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345212230120 = 235109211375247
BaseRepresentation
bin1010000011000000100…
…00001001100111101000
31020000001102201021210121
411001200100021213220
521123443312330440
6422331024053024
733640452353332
oct5014020114750
91200042637717
10345212230120
11123449338a3a
1256aa2a64174
13267269b99b4
14129cba58452
158ea6a7034a
hex50604099e8

345212230120 has 64 divisors (see below), whose sum is σ = 787570502400. Its totient is φ = 136169268480.

The previous prime is 345212230109. The next prime is 345212230133. The reversal of 345212230120 is 21032212543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732337 + ... + 1107583.

It is an arithmetic number, because the mean of its divisors is an integer number (12305789100).

Almost surely, 2345212230120 is an apocalyptic number.

It is an amenable number.

345212230120 is an abundant number, since it is smaller than the sum of its proper divisors (442358272280).

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

345212230120 is a wasteful number, since it uses less digits than its factorization.

345212230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375578 (or 375574 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 345212230120 its reverse (21032212543), we get a palindrome (366244442663).

The spelling of 345212230120 in words is "three hundred forty-five billion, two hundred twelve million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 109 211 218 422 436 545 844 872 1055 1090 1688 2110 2180 4220 4360 8440 22999 45998 91996 114995 183992 229990 375247 459980 750494 919960 1500988 1876235 3001976 3752470 7504940 15009880 40901923 79177117 81803846 158354234 163607692 204509615 316708468 327215384 395885585 409019230 633416936 791771170 818038460 1583542340 1636076920 3167084680 8630305753 17260611506 34521223012 43151528765 69042446024 86303057530 172606115060 345212230120