Search a number
-
+
2135321948160 = 212365891607
BaseRepresentation
bin11111000100101011000…
…110110011000000000000
321120010122020222002000000
4133010223012303000000
5234441114404320120
64312541532000000
7310162161041202
oct37045306630000
97503566862000
102135321948160
11753648632385
122a5a0b000000
1312648abab64b
14754c8aa4772
153a82818e990
hex1f12b1b3000

2135321948160 has 728 divisors, whose sum is σ = 7773863168160. Its totient is φ = 562670862336.

The previous prime is 2135321948159. The next prime is 2135321948161. The reversal of 2135321948160 is 618491235312.

2135321948160 is a `hidden beast` number, since 2 + 1 + 3 + 532 + 19 + 48 + 1 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (2135321948159) and next prime (2135321948161).

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

It is not an unprimeable number, because it can be changed into a prime (2135321948161) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1328762077 + ... + 1328763683.

Almost surely, 22135321948160 is an apocalyptic number.

2135321948160 is a gapful number since it is divisible by the number (20) 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 2135321948160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3886931584080).

2135321948160 is an abundant number, since it is smaller than the sum of its proper divisors (5638541220000).

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

2135321948160 is an frugal number, since it uses more digits than its factorization.

2135321948160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 2135321948160 in words is "two trillion, one hundred thirty-five billion, three hundred twenty-one million, nine hundred forty-eight thousand, one hundred sixty".