Search a number
-
+
12754947156 = 2237229748003
BaseRepresentation
bin10111110000100000…
…10000110001010100
31012220220200110011020
423320100100301110
5202110231302111
65505354441140
7631036155600
oct137020206124
935826613136
1012754947156
115455920646
12257b7331b0
1312836a2013
1488ddba500
154e9b98906
hex2f8410c54

12754947156 has 72 divisors (see below), whose sum is σ = 35814431520. Its totient is φ = 3518601408.

The previous prime is 12754947131. The next prime is 12754947173. The reversal of 12754947156 is 65174945721.

It is a super-3 number, since 3×127549471563 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12754947099 and 12754947108.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 356950 + ... + 391053.

It is an arithmetic number, because the mean of its divisors is an integer number (497422660).

Almost surely, 212754947156 is an apocalyptic number.

It is an amenable number.

12754947156 is an abundant number, since it is smaller than the sum of its proper divisors (23059484364).

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

12754947156 is a wasteful number, since it uses less digits than its factorization.

12754947156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748053 (or 748044 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The spelling of 12754947156 in words is "twelve billion, seven hundred fifty-four million, nine hundred forty-seven thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 49 58 84 87 98 116 147 174 196 203 294 348 406 588 609 812 1218 1421 2436 2842 4263 5684 8526 17052 748003 1496006 2244009 2992012 4488018 5236021 8976036 10472042 15708063 20944084 21692087 31416126 36652147 43384174 62832252 65076261 73304294 86768348 109956441 130152522 146608588 151844609 219912882 260305044 303689218 439825764 455533827 607378436 911067654 1062912263 1822135308 2125824526 3188736789 4251649052 6377473578 12754947156