Search a number
-
+
1312401310 = 251159202219
BaseRepresentation
bin100111000111001…
…1010011110011110
310101110111220010221
41032032122132132
510141433320220
6334121151554
744344140613
oct11616323636
93343456127
101312401310
116138a8590
1230762b5ba
1317bb8a82c
14c642c50a
157a33e9aa
hex4e39a79e

1312401310 has 32 divisors (see below), whose sum is σ = 2620771200. Its totient is φ = 469145760.

The previous prime is 1312401287. The next prime is 1312401313. The reversal of 1312401310 is 131042131.

It is a super-2 number, since 2×13124013102 = 3444794396979432200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312401313) 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, 94620 + ... + 107599.

It is an arithmetic number, because the mean of its divisors is an integer number (81899100).

Almost surely, 21312401310 is an apocalyptic number.

1312401310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312401310 is a deficient number, since it is larger than the sum of its proper divisors (1308369890).

1312401310 is a wasteful number, since it uses less digits than its factorization.

1312401310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202296.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1312401310 is about 36227.0797884676. The cubic root of 1312401310 is about 1094.8523420782.

Adding to 1312401310 its reverse (131042131), we get a palindrome (1443443441).

The spelling of 1312401310 in words is "one billion, three hundred twelve million, four hundred one thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 59 110 118 295 590 649 1298 3245 6490 202219 404438 1011095 2022190 2224409 4448818 11122045 11930921 22244090 23861842 59654605 119309210 131240131 262480262 656200655 1312401310