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206027361520 = 2451731107109419
BaseRepresentation
bin1011111111100000110…
…0000000110011110000
3201200210101211101010021
42333320030000303300
511333421001032040
6234351521213224
720612356451401
oct2777014006360
9650711741107
10206027361520
117a415090112
1233b1a191214
1316574c77c96
149d867b39a8
15555c6b424a
hex2ff8300cf0

206027361520 has 320 divisors, whose sum is σ = 534565785600. Its totient is φ = 73501655040.

The previous prime is 206027361481. The next prime is 206027361541. The reversal of 206027361520 is 25163720602.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 491711871 + ... + 491712289.

It is an arithmetic number, because the mean of its divisors is an integer number (1670518080).

Almost surely, 2206027361520 is an apocalyptic number.

206027361520 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 206027361520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267282892800).

206027361520 is an abundant number, since it is smaller than the sum of its proper divisors (328538424080).

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

206027361520 is a wasteful number, since it uses less digits than its factorization.

206027361520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 206027361520 in words is "two hundred six billion, twenty-seven million, three hundred sixty-one thousand, five hundred twenty".