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145450873212 = 223311847211693
BaseRepresentation
bin1000011101110110001…
…1000011000101111100
3111220102201110221002020
42013131203003011330
54340340410420322
6150452541000140
713336260010641
oct2073543030574
9456381427066
10145450873212
115675a253937
1224233253050
131093cc64b68
14707b537dc8
153bb453a05c
hex21dd8c317c

145450873212 has 48 divisors (see below), whose sum is σ = 350524618752. Its totient is φ = 46894011840.

The previous prime is 145450873201. The next prime is 145450873241. The reversal of 145450873212 is 212378054541.

145450873212 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581238 + ... + 792930.

It is an arithmetic number, because the mean of its divisors is an integer number (7302596224).

Almost surely, 2145450873212 is an apocalyptic number.

145450873212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145450873212 is an abundant number, since it is smaller than the sum of its proper divisors (205073745540).

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

145450873212 is a wasteful number, since it uses less digits than its factorization.

145450873212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213578 (or 213576 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 145450873212 in words is "one hundred forty-five billion, four hundred fifty million, eight hundred seventy-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 1847 3694 5541 7388 11082 22164 57257 114514 171771 211693 229028 343542 423386 635079 687084 846772 1270158 2540316 6562483 13124966 19687449 26249932 39374898 78749796 390996971 781993942 1172990913 1563987884 2345981826 4691963652 12120906101 24241812202 36362718303 48483624404 72725436606 145450873212