Search a number
-
+
1210400331310 = 256191237158077
BaseRepresentation
bin10001100111010001011…
…110110101011000101110
311021201020212202200102101
4101213101132311120232
5124312344441100220
62324014503445314
7153306564026452
oct21472136653056
94251225680371
101210400331310
11427367482a25
1217670075683a
138a1a92014c1
14428258da662
1521742cc530a
hex119d17b562e

1210400331310 has 32 divisors (see below), whose sum is σ = 2184018294240. Its totient is φ = 482984145792.

The previous prime is 1210400331277. The next prime is 1210400331373. The reversal of 1210400331310 is 131330040121.

It is a super-2 number, since 2×12104003313102 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 7577992 + ... + 7736068.

It is an arithmetic number, because the mean of its divisors is an integer number (68250571695).

Almost surely, 21210400331310 is an apocalyptic number.

1210400331310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210400331310 is a deficient number, since it is larger than the sum of its proper divisors (973617962930).

1210400331310 is a wasteful number, since it uses less digits than its factorization.

1210400331310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159940.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1210400331310 its reverse (131330040121), we get a palindrome (1341730371431).

The spelling of 1210400331310 in words is "one trillion, two hundred ten billion, four hundred million, three hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 619 1237 1238 2474 3095 6185 6190 12370 158077 316154 765703 790385 1531406 1580770 3828515 7657030 97849663 195541249 195699326 391082498 489248315 977706245 978496630 1955412490 121040033131 242080066262 605200165655 1210400331310