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146643045442212 = 2231123415310122179
BaseRepresentation
bin100001010101111011111110…
…101000011110001010100100
3201020012221022222020011211010
4201111323332220132022210
5123210044424113122322
61235514515101342220
742613416240624324
oct4125737650361244
9636187288204733
10146643045442212
11427a7a6a1a3020
12145444a3267970
1363a94c26b5457
14282d7c01a3284
1511e47c734720c
hex855efea1e2a4

146643045442212 has 576 divisors, whose sum is σ = 410784230062080. Its totient is φ = 40264773120000.

The previous prime is 146643045442109. The next prime is 146643045442273. The reversal of 146643045442212 is 212244540346641.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 67298321739 + ... + 67298323917.

It is an arithmetic number, because the mean of its divisors is an integer number (713167066080).

Almost surely, 2146643045442212 is an apocalyptic number.

146643045442212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146643045442212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205392115031040).

146643045442212 is an abundant number, since it is smaller than the sum of its proper divisors (264141184619868).

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

146643045442212 is a wasteful number, since it uses less digits than its factorization.

146643045442212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 48.

Adding to 146643045442212 its reverse (212244540346641), we get a palindrome (358887585788853).

The spelling of 146643045442212 in words is "one hundred forty-six trillion, six hundred forty-three billion, forty-five million, four hundred forty-two thousand, two hundred twelve".