Search a number
-
+
105803932631040 = 21733575371227
BaseRepresentation
bin11000000011101001100101…
…110100100000000000000000
3111212121202102222111202022000
4120003221211310200000000
5102331442423223143130
61013005353341344000
731200040040415150
oct3003514564400000
9455552388452260
10105803932631040
1130792217738326
12ba49616b68000
134706363b4b197
141c1ad1ad38760
15c3730a69c260
hex603a65d20000

105803932631040 has 2304 divisors, whose sum is σ = 446170238115840. Its totient is φ = 23290215137280.

The previous prime is 105803932631039. The next prime is 105803932631041. The reversal of 105803932631040 is 40136239308501.

105803932631040 is a `hidden beast` number, since 1 + 0 + 5 + 8 + 0 + 3 + 9 + 3 + 2 + 631 + 0 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (105803932631039) and next prime (105803932631041).

It is a tau number, because it is divible by the number of its divisors (2304).

It is a super-2 number, since 2×1058039326310402 (a number of 29 digits) contains 22 as substring.

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 (105803932631041) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 466096619407 + ... + 466096619633.

It is an arithmetic number, because the mean of its divisors is an integer number (193650276960).

Almost surely, 2105803932631040 is an apocalyptic number.

105803932631040 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 105803932631040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223085119057920).

105803932631040 is an abundant number, since it is smaller than the sum of its proper divisors (340366305484800).

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

105803932631040 is an frugal number, since it uses more digits than its factorization.

105803932631040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 105803932631040 in words is "one hundred five trillion, eight hundred three billion, nine hundred thirty-two million, six hundred thirty-one thousand, forty".