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42402002210 = 2532009132469
BaseRepresentation
bin100111011111010110…
…110011010100100010
311001110001211220002022
4213133112303110202
51143314403032320
631251302021442
73030522033461
oct473726632442
9131401756068
1042402002210
1116a89908937
128274417882
133cc98bc649
1420a35cc9d8
151182806325
hex9df5b3522

42402002210 has 16 divisors (see below), whose sum is σ = 76326564600. Its totient is φ = 16960142976.

The previous prime is 42402002189. The next prime is 42402002219. The reversal of 42402002210 is 1220020424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19236857809 + 23165144401 = 138697^2 + 152201^2 .

It is not an unprimeable number, because it can be changed into a prime (42402002219) 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, 253856 + ... + 386324.

Almost surely, 242402002210 is an apocalyptic number.

42402002210 is a deficient number, since it is larger than the sum of its proper divisors (33924562390).

42402002210 is a wasteful number, since it uses less digits than its factorization.

42402002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164485.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 42402002210 its reverse (1220020424), we get a palindrome (43622022634).

The spelling of 42402002210 in words is "forty-two billion, four hundred two million, two thousand, two hundred ten".

Divisors: 1 2 5 10 32009 64018 132469 160045 264938 320090 662345 1324690 4240200221 8480400442 21201001105 42402002210