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201030121210 = 25591847184477
BaseRepresentation
bin1011101100111001010…
…1000011011011111010
3201012220010122021010211
42323032111003123322
511243202202334320
6232204005101334
720344466556562
oct2731625033372
9635803567124
10201030121210
1178290298546
1232b646b784a
1315c59874559
149a30c2dda2
155368b0555a
hex2ece5436fa

201030121210 has 32 divisors (see below), whose sum is σ = 368188571520. Its totient is φ = 79005905472.

The previous prime is 201030121183. The next prime is 201030121231. The reversal of 201030121210 is 12121030102.

201030121210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 997492 + ... + 1181968.

It is an arithmetic number, because the mean of its divisors is an integer number (11505892860).

Almost surely, 2201030121210 is an apocalyptic number.

201030121210 is a deficient number, since it is larger than the sum of its proper divisors (167158450310).

201030121210 is a wasteful number, since it uses less digits than its factorization.

201030121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186390.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201030121210 its reverse (12121030102), we get a palindrome (213151151312).

The spelling of 201030121210 in words is "two hundred one billion, thirty million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 59 118 295 590 1847 3694 9235 18470 108973 184477 217946 368954 544865 922385 1089730 1844770 10884143 21768286 54420715 108841430 340729019 681458038 1703645095 3407290190 20103012121 40206024242 100515060605 201030121210