Search a number
-
+
10100172640 = 255355717747
BaseRepresentation
bin10010110100000010…
…00110011101100000
3222001220020221011011
421122001012131200
5131141121011030
64350121430304
7505202023315
oct113201063540
928056227134
1010100172640
114313314218
121b5a63b394
13c4c69171c
146bb59ad0c
153e1a98b2a
hex25a046760

10100172640 has 48 divisors (see below), whose sum is σ = 23869711152. Its totient is φ = 4038705664.

The previous prime is 10100172631. The next prime is 10100172671. The reversal of 10100172640 is 4627100101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560247 + ... + 577993.

It is an arithmetic number, because the mean of its divisors is an integer number (497285649).

Almost surely, 210100172640 is an apocalyptic number.

10100172640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10100172640 is an abundant number, since it is smaller than the sum of its proper divisors (13769538512).

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

10100172640 is a wasteful number, since it uses less digits than its factorization.

10100172640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21319 (or 21311 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 10100172640 its reverse (4627100101), we get a palindrome (14727272741).

The spelling of 10100172640 in words is "ten billion, one hundred million, one hundred seventy-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3557 7114 14228 17747 17785 28456 35494 35570 56912 70988 71140 88735 113824 141976 142280 177470 283952 284560 354940 567904 569120 709880 1419760 2839520 63126079 126252158 252504316 315630395 505008632 631260790 1010017264 1262521580 2020034528 2525043160 5050086320 10100172640