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420143120532210 = 23573191846173759
BaseRepresentation
bin101111110000111100011000…
…1011101000100001011110010
32001002121021211110020221222210
41133201320301131010023302
5420032111102324012320
64045323030210512550
7154332224123265135
oct13741706135041362
92032537743227883
10420143120532210
11111963773482909
123b156674b95756
1315058431a5a22a
1475a706d71421c
153388d47b380e0
hex17e1e317442f2

420143120532210 has 32 divisors (see below), whose sum is σ = 1022156413793280. Its totient is φ = 110503396084608.

The previous prime is 420143120532133. The next prime is 420143120532251. The reversal of 420143120532210 is 12235021341024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95923084690 + ... + 95923089069.

It is an arithmetic number, because the mean of its divisors is an integer number (31942387931040).

Almost surely, 2420143120532210 is an apocalyptic number.

420143120532210 is an abundant number, since it is smaller than the sum of its proper divisors (602013293261070).

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

420143120532210 is a wasteful number, since it uses less digits than its factorization.

420143120532210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191846173842.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 420143120532210 its reverse (12235021341024), we get a palindrome (432378141873234).

The spelling of 420143120532210 in words is "four hundred twenty trillion, one hundred forty-three billion, one hundred twenty million, five hundred thirty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 191846173759 383692347518 575538521277 959230868795 1151077042554 1918461737590 2877692606385 5755385212770 14004770684407 28009541368814 42014312053221 70023853422035 84028624106442 140047706844070 210071560266105 420143120532210