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2121200110330 = 257219227841043
BaseRepresentation
bin11110110111100001011…
…000010000101011111010
321111210012002020101100021
4132313201120100223322
5234223204212012310
64302244344001054
7306152213305300
oct36674130205372
97453162211307
102121200110330
11748661187624
122a312976018a
1312504a2811a2
1474949354270
153a29d4e15da
hex1ede1610afa

2121200110330 has 48 divisors (see below), whose sum is σ = 4675298222880. Its totient is φ = 688991311008.

The previous prime is 2121200110303. The next prime is 2121200110331. The reversal of 2121200110330 is 330110021212.

It is not an unprimeable number, because it can be changed into a prime (2121200110331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113911212 + ... + 113929831.

It is an arithmetic number, because the mean of its divisors is an integer number (97402046310).

Almost surely, 22121200110330 is an apocalyptic number.

2121200110330 is an abundant number, since it is smaller than the sum of its proper divisors (2554098112550).

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

2121200110330 is a wasteful number, since it uses less digits than its factorization.

2121200110330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227841083 (or 227841076 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2121200110330 its reverse (330110021212), we get a palindrome (2451310131542).

The spelling of 2121200110330 in words is "two trillion, one hundred twenty-one billion, two hundred million, one hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 490 665 931 1330 1862 4655 9310 227841043 455682086 1139205215 1594887301 2278410430 3189774602 4328979817 7974436505 8657959634 11164211107 15948873010 21644899085 22328422214 30302858719 43289798170 55821055535 60605717438 111642111070 151514293595 212120011033 303028587190 424240022066 1060600055165 2121200110330