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212441222040 = 23351770343517
BaseRepresentation
bin1100010111011001111…
…0111100101110011000
3202022100101122020200220
43011312132330232120
511440034423101130
6241332200400040
721230330410245
oct3056636745630
9668311566626
10212441222040
1182106593493
123520a176020
13170579c9118
14a3d45545cc
1557d57ec410
hex31767bcb98

212441222040 has 32 divisors (see below), whose sum is σ = 637323666480. Its totient is φ = 56650992512.

The previous prime is 212441222039. The next prime is 212441222053. The reversal of 212441222040 is 40222144212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 212441222040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885171639 + ... + 885171878.

Almost surely, 2212441222040 is an apocalyptic number.

212441222040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212441222040 is an abundant number, since it is smaller than the sum of its proper divisors (424882444440).

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

212441222040 is a wasteful number, since it uses less digits than its factorization.

212441222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770343531 (or 1770343527 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 212441222040 its reverse (40222144212), we get a palindrome (252663366252).

The spelling of 212441222040 in words is "two hundred twelve billion, four hundred forty-one million, two hundred twenty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1770343517 3540687034 5311030551 7081374068 8851717585 10622061102 14162748136 17703435170 21244122204 26555152755 35406870340 42488244408 53110305510 70813740680 106220611020 212441222040