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2086206720 = 28351323279
BaseRepresentation
bin111110001011000…
…1111110100000000
312101101120021121120
41330112033310000
513233032103340
6543002352240
7102461315223
oct17426176400
95341507546
102086206720
11980677a94
124a27bb680
1327329b860
1415b0d95ba
15c32404d0
hex7c58fd00

2086206720 has 432 divisors, whose sum is σ = 7595831040. Its totient is φ = 484982784.

The previous prime is 2086206709. The next prime is 2086206739. The reversal of 2086206720 is 276026802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26407641 + ... + 26407719.

Almost surely, 22086206720 is an apocalyptic number.

2086206720 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 2086206720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3797915520).

2086206720 is an abundant number, since it is smaller than the sum of its proper divisors (5509624320).

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

2086206720 is a wasteful number, since it uses less digits than its factorization.

2086206720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2086206720 is about 45675.0119868621. The cubic root of 2086206720 is about 1277.7692917955.

The spelling of 2086206720 in words is "two billion, eighty-six million, two hundred six thousand, seven hundred twenty".