Search a number
-
+
1261465068748 = 221669188955223
BaseRepresentation
bin10010010110110101001…
…011010110010011001100
311110121001200002010020011
4102112311023112103030
5131131440024144443
62403301542203004
7160065165111133
oct22266513262314
94417050063204
101261465068748
11446a91165a75
12184592123464
1391c56726781
14450ab7ca91a
1522c30d87b9d
hex125b52d64cc

1261465068748 has 12 divisors (see below), whose sum is σ = 2208886568560. Its totient is φ = 630354620592.

The previous prime is 1261465068739. The next prime is 1261465068761. The reversal of 1261465068748 is 8478605641621.

It is a junction number, because it is equal to n+sod(n) for n = 1261465068692 and 1261465068701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94470936 + ... + 94484287.

Almost surely, 21261465068748 is an apocalyptic number.

It is an amenable number.

1261465068748 is a deficient number, since it is larger than the sum of its proper divisors (947421499812).

1261465068748 is a wasteful number, since it uses less digits than its factorization.

1261465068748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188956896 (or 188956894 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 1261465068748 in words is "one trillion, two hundred sixty-one billion, four hundred sixty-five million, sixty-eight thousand, seven hundred forty-eight".

Divisors: 1 2 4 1669 3338 6676 188955223 377910446 755820892 315366267187 630732534374 1261465068748