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2100210121210 = 251571638206831
BaseRepresentation
bin11110100011111110010…
…001110011100111111010
321102210000020212110022211
4132203332101303213322
5233402212242334320
64244453451405334
7304510110323605
oct36437621634772
97383006773284
102100210121210
1173a76a952083
1229b05015384a
13123083762b96
14739177a933c
15399708c055a
hex1e8fe4739fa

2100210121210 has 32 divisors (see below), whose sum is σ = 3827797754112. Its totient is φ = 829612031040.

The previous prime is 2100210121201. The next prime is 2100210121211. The reversal of 2100210121210 is 121210120012.

It is not an unprimeable number, because it can be changed into a prime (2100210121211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3847506 + ... + 4359325.

It is an arithmetic number, because the mean of its divisors is an integer number (119618679816).

Almost surely, 22100210121210 is an apocalyptic number.

2100210121210 is a deficient number, since it is larger than the sum of its proper divisors (1727587632902).

2100210121210 is a wasteful number, since it uses less digits than its factorization.

2100210121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207158.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2100210121210 its reverse (121210120012), we get a palindrome (2221420241222).

The spelling of 2100210121210 in words is "two trillion, one hundred billion, two hundred ten million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 157 163 314 326 785 815 1570 1630 25591 51182 127955 255910 8206831 16413662 41034155 82068310 1288472467 1337713453 2576944934 2675426906 6442362335 6688567265 12884724670 13377134530 210021012121 420042024242 1050105060605 2100210121210