Search a number
-
+
102545866960 = 2451281823337
BaseRepresentation
bin101111110000000110…
…1011100000011010000
3100210200121010210011121
41133200031130003100
53140003220220320
6115035305452024
710260116326105
oct1374015340320
9323617123147
10102545866960
113a542517689
1217a5a4a1014
1398930aacb4
144d6b210aac
152a029c58aa
hex17e035c0d0

102545866960 has 20 divisors (see below), whose sum is σ = 238419140868. Its totient is φ = 41018346752.

The previous prime is 102545866949. The next prime is 102545866981. The reversal of 102545866960 is 69668545201.

It can be written as a sum of positive squares in 2 ways, for example, as 56078028864 + 46467838096 = 236808^2 + 215564^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 102545866898 and 102545866907.

It is a congruent number.

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, 640911589 + ... + 640911748.

Almost surely, 2102545866960 is an apocalyptic number.

102545866960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102545866960 is an abundant number, since it is smaller than the sum of its proper divisors (135873273908).

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

102545866960 is a wasteful number, since it uses less digits than its factorization.

102545866960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281823350 (or 1281823344 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 102545866960 in words is "one hundred two billion, five hundred forty-five million, eight hundred sixty-six thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1281823337 2563646674 5127293348 6409116685 10254586696 12818233370 20509173392 25636466740 51272933480 102545866960