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206152665254020 = 22530091342548711
BaseRepresentation
bin101110110111111010101000…
…011000011100100010000100
31000000221000001200210001112001
4232313322220120130202010
5204010101124301112040
62010241121010435044
761265016140140102
oct5667725030344204
91000830050701461
10206152665254020
115a760944168721
121b155926592a84
138b0516110a5c4
1438c9bb1150c72
1518c7785ac659a
hexbb7ea861c884

206152665254020 has 24 divisors (see below), whose sum is σ = 432934985343168. Its totient is φ = 82458325471200.

The previous prime is 206152665253957. The next prime is 206152665254021. The reversal of 206152665254020 is 20452566251602.

It is a super-2 number, since 2×2061526652540202 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206152665254021) by changing a digit.

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, 170672536 + ... + 171876175.

It is an arithmetic number, because the mean of its divisors is an integer number (18038957722632).

Almost surely, 2206152665254020 is an apocalyptic number.

206152665254020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206152665254020 is an abundant number, since it is smaller than the sum of its proper divisors (226782320089148).

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

206152665254020 is a wasteful number, since it uses less digits than its factorization.

206152665254020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342578811 (or 342578809 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 206152665254020 in words is "two hundred six trillion, one hundred fifty-two billion, six hundred sixty-five million, two hundred fifty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 30091 60182 120364 150455 300910 601820 342548711 685097422 1370194844 1712743555 3425487110 6850974220 10307633262701 20615266525402 41230533050804 51538166313505 103076332627010 206152665254020