Search a number
-
+
10121312321210 = 251012131232121
BaseRepresentation
bin1001001101001000110100…
…1110011011111010111010
31022211120212122202200121002
42103102031032123322322
52311311421423234320
633305400001045002
72063145361145126
oct223221516337272
938746778680532
1010121312321210
113252473a41522
1211756b3026762
135855881a2acc
1426dc34882586
1512842a21e675
hex9348d39beba

10121312321210 has 8 divisors (see below), whose sum is σ = 18218362178196. Its totient is φ = 4048524928480.

The previous prime is 10121312321191. The next prime is 10121312321279. The reversal of 10121312321210 is 1212321312101.

It can be written as a sum of positive squares in 2 ways, for example, as 9837450333841 + 283861987369 = 3136471^2 + 532787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506065616051 + ... + 506065616070.

Almost surely, 210121312321210 is an apocalyptic number.

10121312321210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121312321210 is a deficient number, since it is larger than the sum of its proper divisors (8097049856986).

10121312321210 is a wasteful number, since it uses less digits than its factorization.

10121312321210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012131232128.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10121312321210 its reverse (1212321312101), we get a palindrome (11333633633311).

The spelling of 10121312321210 in words is "ten trillion, one hundred twenty-one billion, three hundred twelve million, three hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 1012131232121 2024262464242 5060656160605 10121312321210