Search a number
-
+
1012105464 = 23342171061
BaseRepresentation
bin111100010100111…
…000000011111000
32121112110021200120
4330110320003320
54033044333324
6244232533240
734036516536
oct7424700370
92545407616
101012105464
1147a3418a7
12242b51220
131318b8196
14985bd156
155dcc3179
hex3c5380f8

1012105464 has 16 divisors (see below), whose sum is σ = 2530263720. Its totient is φ = 337368480.

The previous prime is 1012105463. The next prime is 1012105487. The reversal of 1012105464 is 4645012101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 42171061 = 1012105464 / (1 + 0 + 1 + 2 + 1 + 0 + 5 + 4 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012105463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21085507 + ... + 21085554.

Almost surely, 21012105464 is an apocalyptic number.

It is an amenable number.

1012105464 is an abundant number, since it is smaller than the sum of its proper divisors (1518158256).

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

1012105464 is a wasteful number, since it uses less digits than its factorization.

1012105464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42171070 (or 42171066 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1012105464 is about 31813.6050142074. The cubic root of 1012105464 is about 1004.0189808214.

Adding to 1012105464 its reverse (4645012101), we get a palindrome (5657117565).

The spelling of 1012105464 in words is "one billion, twelve million, one hundred five thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 42171061 84342122 126513183 168684244 253026366 337368488 506052732 1012105464