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21000210011032 = 237714735246789
BaseRepresentation
bin1001100011001011111100…
…00011101101001110011000
32202100121012202001121010011
410301211332003231032120
510223031412230323112
6112355210245531304
74265133531601660
oct461457603551630
982317182047104
1021000210011032
11676715909336a
122431b93a13b34
13b94407c30455
145285b65311a0
152663e4c82aa7
hex13197e0ed398

21000210011032 has 32 divisors (see below), whose sum is σ = 45001088215200. Its totient is φ = 8999962366464.

The previous prime is 21000210011009. The next prime is 21000210011111. The reversal of 21000210011032 is 23011001200012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379094 + ... + 6625882.

It is an arithmetic number, because the mean of its divisors is an integer number (1406284006725).

Almost surely, 221000210011032 is an apocalyptic number.

It is an amenable number.

21000210011032 is an abundant number, since it is smaller than the sum of its proper divisors (24000878204168).

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

21000210011032 is a wasteful number, since it uses less digits than its factorization.

21000210011032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318275 (or 5318271 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21000210011032 its reverse (23011001200012), we get a palindrome (44011211211044).

The spelling of 21000210011032 in words is "twenty-one trillion, two hundred ten million, eleven thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 71473 142946 285892 500311 571784 1000622 2001244 4002488 5246789 10493578 20987156 36727523 41974312 73455046 146910092 293820184 375003750197 750007500394 1500015000788 2625026251379 3000030001576 5250052502758 10500105005516 21000210011032