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212008529040 = 2435711181241263
BaseRepresentation
bin1100010101110010110…
…0010110110010010000
3202021020020110011111020
43011130230112302100
511433143140412130
6241221222315440
721213524522520
oct3053454266220
9667206404436
10212008529040
1181a04318870
1235109288b80
1316cb917bb69
14a392cbd680
1557ac82be10
hex315cb16c90

212008529040 has 640 divisors, whose sum is σ = 830490845184. Its totient is φ = 43462656000.

The previous prime is 212008529039. The next prime is 212008529069. The reversal of 212008529040 is 40925800212.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 212008528992 and 212008529010.

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 127 ways as a sum of consecutive naturals, for example, 806115949 + ... + 806116211.

Almost surely, 2212008529040 is an apocalyptic number.

212008529040 is a gapful number since it is divisible by the number (20) 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 212008529040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415245422592).

212008529040 is an abundant number, since it is smaller than the sum of its proper divisors (618482316144).

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

212008529040 is a wasteful number, since it uses less digits than its factorization.

212008529040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 212008529040 in words is "two hundred twelve billion, eight million, five hundred twenty-nine thousand, forty".