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2061520210552 = 231122129669639
BaseRepresentation
bin11101111111111100001…
…011100000101001111000
321022002010212222100112211
4131333330023200221320
5232233443133214202
64215014352344504
7301640251444345
oct35777413405170
97262125870484
102061520210552
11725316462600
12293652b45134
1311c528c3ba1a
1471ac71c77cc
1538958e1d1d7
hex1dffc2e0a78

2061520210552 has 24 divisors (see below), whose sum is σ = 4248690931800. Its totient is φ = 937054640720.

The previous prime is 2061520210549. The next prime is 2061520210559. The reversal of 2061520210552 is 2550120251602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061520210559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1064833852 + ... + 1064835787.

It is an arithmetic number, because the mean of its divisors is an integer number (177028788825).

Almost surely, 22061520210552 is an apocalyptic number.

2061520210552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2061520210552 is an abundant number, since it is smaller than the sum of its proper divisors (2187170721248).

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

2061520210552 is a wasteful number, since it uses less digits than its factorization.

2061520210552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129669667 (or 2129669652 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 2061520210552 in words is "two trillion, sixty-one billion, five hundred twenty million, two hundred ten thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 2129669639 4259339278 8518678556 17037357112 23426366029 46852732058 93705464116 187410928232 257690026319 515380052638 1030760105276 2061520210552