Search a number
-
+
136957132800 = 219355243
BaseRepresentation
bin111111110001101001…
…0000000000000000000
3111002111210000012200000
41333203102000000000
54220442011222200
6142530042400000
712615632264235
oct1774322000000
9432453005600
10136957132800
11530a0804a64
1222662800000
13cbb834bb67
1468b346778c
153868a11300
hex1fe3480000

136957132800 has 720 divisors, whose sum is σ = 520613293200. Its totient is φ = 35672555520.

The previous prime is 136957132777. The next prime is 136957132817. The reversal of 136957132800 is 8231759631.

136957132800 is a `hidden beast` number, since 1 + 369 + 5 + 7 + 1 + 3 + 280 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3185049579 + ... + 3185049621.

Almost surely, 2136957132800 is an apocalyptic number.

136957132800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136957132800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260306646600).

136957132800 is an abundant number, since it is smaller than the sum of its proper divisors (383656160400).

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

136957132800 is an frugal number, since it uses more digits than its factorization.

136957132800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 136957132800 in words is "one hundred thirty-six billion, nine hundred fifty-seven million, one hundred thirty-two thousand, eight hundred".