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220144143430 = 25181691211647
BaseRepresentation
bin1100110100000110011…
…1010000110001000110
3210001020020001012100201
43031001213100301012
512101323400042210
6245044405001114
721622243226101
oct3150147206106
9701206035321
10220144143430
11853a96a2322
12367b99b319a
13179b4825083
14a9255a9738
155ad6bb453a
hex33419d0c46

220144143430 has 16 divisors (see below), whose sum is σ = 396281594880. Its totient is φ = 88052738112.

The previous prime is 220144143413. The next prime is 220144143437. The reversal of 220144143430 is 34341441022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220144143437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424134 + ... + 787513.

It is an arithmetic number, because the mean of its divisors is an integer number (24767599680).

Almost surely, 2220144143430 is an apocalyptic number.

220144143430 is a deficient number, since it is larger than the sum of its proper divisors (176137451450).

220144143430 is a wasteful number, since it uses less digits than its factorization.

220144143430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229823.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 220144143430 its reverse (34341441022), we get a palindrome (254485584452).

The spelling of 220144143430 in words is "two hundred twenty billion, one hundred forty-four million, one hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 18169 36338 90845 181690 1211647 2423294 6058235 12116470 22014414343 44028828686 110072071715 220144143430