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213145459000 = 23531131886243
BaseRepresentation
bin1100011010000001110…
…1011001100100111000
3202101011110210012012021
43012200131121210320
511443010214142000
6241530114524224
721253641336235
oct3064035314470
9671143705167
10213145459000
1182438067101
1235385b96674
131713a88cb96
14a45dcb278c
15582755a11a
hex31a0759938

213145459000 has 64 divisors (see below), whose sum is σ = 503174449440. Its totient is φ = 84503641600.

The previous prime is 213145458991. The next prime is 213145459133. The reversal of 213145459000 is 954541312.

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, 830122 + ... + 1056121.

Almost surely, 2213145459000 is an apocalyptic number.

213145459000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213145459000 is an abundant number, since it is smaller than the sum of its proper divisors (290028990440).

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

213145459000 is a wasteful number, since it uses less digits than its factorization.

213145459000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886377 (or 1886363 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 213145459000 in words is "two hundred thirteen billion, one hundred forty-five million, four hundred fifty-nine thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 113 125 200 226 250 452 500 565 904 1000 1130 2260 2825 4520 5650 11300 14125 22600 28250 56500 113000 1886243 3772486 7544972 9431215 15089944 18862430 37724860 47156075 75449720 94312150 188624300 213145459 235780375 377248600 426290918 471560750 852581836 943121500 1065727295 1705163672 1886243000 2131454590 4262909180 5328636475 8525818360 10657272950 21314545900 26643182375 42629091800 53286364750 106572729500 213145459000