Search a number
-
+
12986980492 = 223897783299
BaseRepresentation
bin11000001100001010…
…11001100010001100
31020112002021222001111
430012011121202030
5203044131333432
65544404021404
7636554340613
oct140605314214
936462258044
1012986980492
1155648a2732
122625391864
1312bc793955
148b2b3a87a
1551022e347
hex30615988c

12986980492 has 12 divisors (see below), whose sum is σ = 22728071800. Its totient is φ = 6493245696.

The previous prime is 12986980471. The next prime is 12986980499. The reversal of 12986980492 is 29408968921.

It is not an unprimeable number, because it can be changed into a prime (12986980499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114259 + ... + 197557.

Almost surely, 212986980492 is an apocalyptic number.

It is an amenable number.

12986980492 is a deficient number, since it is larger than the sum of its proper divisors (9741091308).

12986980492 is a wasteful number, since it uses less digits than its factorization.

12986980492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122280 (or 122278 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 12986980492 in words is "twelve billion, nine hundred eighty-six million, nine hundred eighty thousand, four hundred ninety-two".

Divisors: 1 2 4 38977 77954 83299 155908 166598 333196 3246745123 6493490246 12986980492