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144206871400 = 23521674317571
BaseRepresentation
bin1000011001001101100…
…1100011101101101000
3111210020000200002102001
42012103121203231220
54330313424341100
6150125301420344
713263403116334
oct2062331435550
9453200602361
10144206871400
1156181023969
1223b4670a6b4
13107a2305507
146da02327c4
153b4020bd6a
hex2193663b68

144206871400 has 48 divisors (see below), whose sum is σ = 337288724640. Its totient is φ = 57337329600.

The previous prime is 144206871349. The next prime is 144206871421. The reversal of 144206871400 is 4178602441.

It is a happy number.

It is a super-2 number, since 2×1442068714002 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144206871400.

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, 2125386 + ... + 2192185.

It is an arithmetic number, because the mean of its divisors is an integer number (7026848430).

Almost surely, 2144206871400 is an apocalyptic number.

144206871400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144206871400 is an abundant number, since it is smaller than the sum of its proper divisors (193081853240).

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

144206871400 is a wasteful number, since it uses less digits than its factorization.

144206871400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317754 (or 4317745 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 144206871400 in words is "one hundred forty-four billion, two hundred six million, eight hundred seventy-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 167 200 334 668 835 1336 1670 3340 4175 6680 8350 16700 33400 4317571 8635142 17270284 21587855 34540568 43175710 86351420 107939275 172702840 215878550 431757100 721034357 863514200 1442068714 2884137428 3605171785 5768274856 7210343570 14420687140 18025858925 28841374280 36051717850 72103435700 144206871400