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3148012031681 = 11226016628361
BaseRepresentation
bin101101110011110100001…
…000111000111011000001
3102010221120101000112110102
4231303310020320323001
5403034112040003211
610410102103012145
7443302446524246
oct55636410707301
912127511015412
103148012031681
1110040787a5900
1242a132a3a055
1319ab1928853a
14ac5166415cd
1556d48a3aa3b
hex2dcf4238ec1

3148012031681 has 6 divisors (see below), whose sum is σ = 3460211572146. Its totient is φ = 2861829119600.

The previous prime is 3148012031677. The next prime is 3148012031741. The reversal of 3148012031681 is 1861302108413.

3148012031681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2421630833281 + 726381198400 = 1556159^2 + 852280^2 .

It is not a de Polignac number, because 3148012031681 - 22 = 3148012031677 is a prime.

It is a super-2 number, since 2×31480120316812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3148012031581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13008314060 + ... + 13008314301.

It is an arithmetic number, because the mean of its divisors is an integer number (576701928691).

Almost surely, 23148012031681 is an apocalyptic number.

It is an amenable number.

3148012031681 is a deficient number, since it is larger than the sum of its proper divisors (312199540465).

3148012031681 is a wasteful number, since it uses less digits than its factorization.

3148012031681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26016628383 (or 26016628372 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 3148012031681 in words is "three trillion, one hundred forty-eight billion, twelve million, thirty-one thousand, six hundred eighty-one".

Divisors: 1 11 121 26016628361 286182911971 3148012031681