Search a number
-
+
101021760 = 2632575011
BaseRepresentation
bin1100000010101…
…11100001000000
321001002102210200
412001113201000
5201330144020
614005125200
72334446040
oct601274100
9231072720
10101021760
115202a164
12299b9800
1317c108b8
14d5b9720
158d07590
hex6057840

101021760 has 168 divisors, whose sum is σ = 397190976. Its totient is φ = 23086080.

The previous prime is 101021759. The next prime is 101021779. The reversal of 101021760 is 67120101.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17655 + ... + 22665.

It is an arithmetic number, because the mean of its divisors is an integer number (2364232).

Almost surely, 2101021760 is an apocalyptic number.

101021760 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 101021760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198595488).

101021760 is an abundant number, since it is smaller than the sum of its proper divisors (296169216).

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

101021760 is a wasteful number, since it uses less digits than its factorization.

101021760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 101021760 is about 10050.9581632798. The cubic root of 101021760 is about 465.7343927772.

Adding to 101021760 its reverse (67120101), we get a palindrome (168141861).

The spelling of 101021760 in words is "one hundred one million, twenty-one thousand, seven hundred sixty".