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12100000310 = 25232910691697
BaseRepresentation
bin10110100010011011…
…10101101000110110
31011020021021200222122
423101031311220312
5144240100002220
65320400555542
7605564206556
oct132115655066
934207250878
1012100000310
11514a153362
122418322bb2
1311aaaa84c8
1482b00d166
154ac425425
hex2d1375a36

12100000310 has 64 divisors (see below), whose sum is σ = 23546505600. Its totient is φ = 4463112192.

The previous prime is 12100000301. The next prime is 12100000313. The reversal of 12100000310 is 1300000121.

It is a super-2 number, since 2×121000003102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100000313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7129382 + ... + 7131078.

It is an arithmetic number, because the mean of its divisors is an integer number (367914150).

Almost surely, 212100000310 is an apocalyptic number.

12100000310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100000310 is a deficient number, since it is larger than the sum of its proper divisors (11446505290).

12100000310 is a wasteful number, since it uses less digits than its factorization.

12100000310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 12100000310 its reverse (1300000121), we get a palindrome (13400000431).

The spelling of 12100000310 in words is "twelve billion, one hundred million, three hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 23 29 46 58 115 145 230 290 667 1069 1334 1697 2138 3335 3394 5345 6670 8485 10690 16970 24587 31001 39031 49174 49213 62002 78062 98426 122935 155005 195155 245870 246065 310010 390310 492130 713023 1131899 1426046 1814093 2263798 3565115 3628186 5659495 7130230 9070465 11318990 18140930 41724139 52608697 83448278 105217394 208620695 263043485 417241390 526086970 1210000031 2420000062 6050000155 12100000310