Search a number
-
+
1320740712 = 233219992179
BaseRepresentation
bin100111010111000…
…1110011101101000
310102001012120122200
41032232032131220
510201102200322
6335020020200
744505053004
oct11656163550
93361176580
101320740712
11618584055
1230a391660
1318081a5a5
14c759d704
157ae3a8ac
hex4eb8e768

1320740712 has 48 divisors (see below), whose sum is σ = 3595020000. Its totient is φ = 438029856.

The previous prime is 1320740699. The next prime is 1320740713. The reversal of 1320740712 is 2170470231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1320740713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31762 + ... + 60417.

It is an arithmetic number, because the mean of its divisors is an integer number (74896250).

Almost surely, 21320740712 is an apocalyptic number.

1320740712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320740712 is an abundant number, since it is smaller than the sum of its proper divisors (2274279288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320740712 is a wasteful number, since it uses less digits than its factorization.

1320740712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92390 (or 92383 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1320740712 is about 36341.9965329369. The cubic root of 1320740712 is about 1097.1664570700.

The spelling of 1320740712 in words is "one billion, three hundred twenty million, seven hundred forty thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 199 398 597 796 1194 1592 1791 2388 3582 4776 7164 14328 92179 184358 276537 368716 553074 737432 829611 1106148 1659222 2212296 3318444 6636888 18343621 36687242 55030863 73374484 110061726 146748968 165092589 220123452 330185178 440246904 660370356 1320740712