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212020300005 = 351117119310607
BaseRepresentation
bin1100010101110101100…
…1010000100011100101
3202021021001121012012220
43011131121100203211
511433204144100010
6241222322502553
721214026546303
oct3053531204345
9667231535186
10212020300005
1181a0aa28538
1235111204a59
1316cbb740827
14a3946a5273
1557ad8a4970
hex315d6508e5

212020300005 has 32 divisors (see below), whose sum is σ = 339852824064. Its totient is φ = 112870918656.

The previous prime is 212020299947. The next prime is 212020300049. The reversal of 212020300005 is 500003020212.

It is not a de Polignac number, because 212020300005 - 26 = 212020299941 is a prime.

It is a super-2 number, since 2×2120203000052 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19983412 + ... + 19994018.

It is an arithmetic number, because the mean of its divisors is an integer number (10620400752).

Almost surely, 2212020300005 is an apocalyptic number.

It is an amenable number.

212020300005 is a deficient number, since it is larger than the sum of its proper divisors (127832524059).

212020300005 is a wasteful number, since it uses less digits than its factorization.

212020300005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12925.

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 212020300005 its reverse (500003020212), we get a palindrome (712023320217).

The spelling of 212020300005 in words is "two hundred twelve billion, twenty million, three hundred thousand, five".

Divisors: 1 3 5 15 1117 1193 3351 3579 5585 5965 10607 16755 17895 31821 53035 159105 1332581 3997743 6662905 11848019 12654151 19988715 35544057 37962453 59240095 63270755 177720285 189812265 14134686667 42404060001 70673433335 212020300005