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213122302000 = 2453176268303
BaseRepresentation
bin1100011001111100010…
…1000100000000110000
3202101002212012200202121
43012133011010000300
511442433302131000
6241523530324024
721253240451146
oct3063705040060
9671085180677
10213122302000
1182425a8a993
123537a289614
1317135b4280a
14a45aba5596
1558254d3b1a
hex319f144030

213122302000 has 80 divisors (see below), whose sum is σ = 545643326592. Its totient is φ = 80234265600.

The previous prime is 213122301971. The next prime is 213122302031. The reversal of 213122302000 is 203221312.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2131223020002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3100152 + ... + 3168151.

Almost surely, 2213122302000 is an apocalyptic number.

213122302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213122302000 is an abundant number, since it is smaller than the sum of its proper divisors (332521024592).

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

213122302000 is a wasteful number, since it uses less digits than its factorization.

213122302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268343 (or 6268327 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 213122302000 its reverse (203221312), we get a palindrome (213325523312).

The spelling of 213122302000 in words is "two hundred thirteen billion, one hundred twenty-two million, three hundred two thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 125 136 170 200 250 272 340 400 425 500 680 850 1000 1360 1700 2000 2125 3400 4250 6800 8500 17000 34000 6268303 12536606 25073212 31341515 50146424 62683030 100292848 106561151 125366060 156707575 213122302 250732120 313415150 426244604 501464240 532805755 626830300 783537875 852489208 1065611510 1253660600 1567075750 1704978416 2131223020 2507321200 2664028775 3134151500 4262446040 5328057550 6268303000 8524892080 10656115100 12536606000 13320143875 21312230200 26640287750 42624460400 53280575500 106561151000 213122302000