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2122452230420 = 225142974263549
BaseRepresentation
bin11110111000101100000…
…000101110000100010100
321111220102100022200012102
4132320230000232010110
5234233240232333140
64303012513141232
7306225226201214
oct36705400560424
97456370280172
102122452230420
11749143a51a15
122a3418b5a818
131251b97c3a52
1474a27770244
153a3233c4e15
hex1ee2c02e114

2122452230420 has 24 divisors (see below), whose sum is σ = 4460268813000. Its totient is φ = 848386772352.

The previous prime is 2122452230387. The next prime is 2122452230441. The reversal of 2122452230420 is 240322542212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 142341707524 + 1980110522896 = 377282^2 + 1407164^2 .

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 7 ways as a sum of consecutive naturals, for example, 37103195 + ... + 37160354.

It is an arithmetic number, because the mean of its divisors is an integer number (185844533875).

Almost surely, 22122452230420 is an apocalyptic number.

2122452230420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122452230420 is an abundant number, since it is smaller than the sum of its proper divisors (2337816582580).

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

2122452230420 is a wasteful number, since it uses less digits than its factorization.

2122452230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74264987 (or 74264985 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 2122452230420 its reverse (240322542212), we get a palindrome (2362774772632).

The spelling of 2122452230420 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-two million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1429 2858 5716 7145 14290 28580 74263549 148527098 297054196 371317745 742635490 1485270980 106122611521 212245223042 424490446084 530613057605 1061226115210 2122452230420