Search a number
-
+
130787820784 = 2420327402137
BaseRepresentation
bin111100111001110001…
…1111100010011110000
3110111120211100200120101
41321303203330103300
54120323140231114
6140025540522144
712310021063645
oct1716343742360
9414524320511
10130787820784
1150515351595
12214206b0354
13c444181c8a
146489d83dcc
1536070d1d74
hex1e738fc4f0

130787820784 has 20 divisors (see below), whose sum is σ = 253414499184. Its totient is φ = 65390530688.

The previous prime is 130787820769. The next prime is 130787820797. The reversal of 130787820784 is 487028787031.

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, 124164 + ... + 526300.

Almost surely, 2130787820784 is an apocalyptic number.

It is an amenable number.

130787820784 is a deficient number, since it is larger than the sum of its proper divisors (122626678400).

130787820784 is a wasteful number, since it uses less digits than its factorization.

130787820784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422472 (or 422466 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 55.

The spelling of 130787820784 in words is "one hundred thirty billion, seven hundred eighty-seven million, eight hundred twenty thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 20327 40654 81308 162616 325232 402137 804274 1608548 3217096 6434192 8174238799 16348477598 32696955196 65393910392 130787820784