Search a number
-
+
12306393743745 = 354594317857481
BaseRepresentation
bin1011001100010100111000…
…1110100100000110000001
31121120110221201221222002110
42303011032032210012001
53103111443244244440
642101251303205533
72410051623610233
oct263051616440601
947513851858073
1012306393743745
113a15126494442
12146908a4468a9
136b3646047cca
143078bdd46253
151651b6a92080
hexb314e3a4181

12306393743745 has 16 divisors (see below), whose sum is σ = 19690659672192. Its totient is φ = 6563266769280.

The previous prime is 12306393743717. The next prime is 12306393743759. The reversal of 12306393743745 is 54734739360321.

It is a happy number.

It is not a de Polignac number, because 12306393743745 - 27 = 12306393743617 is a prime.

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, 8239596 + ... + 9617885.

It is an arithmetic number, because the mean of its divisors is an integer number (1230666229512).

Almost surely, 212306393743745 is an apocalyptic number.

12306393743745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12306393743745 is a deficient number, since it is larger than the sum of its proper divisors (7384265928447).

12306393743745 is a wasteful number, since it uses less digits than its factorization.

12306393743745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17903432.

The product of its (nonzero) digits is 34292160, while the sum is 57.

The spelling of 12306393743745 in words is "twelve trillion, three hundred six billion, three hundred ninety-three million, seven hundred forty-three thousand, seven hundred forty-five".

Divisors: 1 3 5 15 45943 137829 229715 689145 17857481 53572443 89287405 267862215 820426249583 2461278748749 4102131247915 12306393743745