Search a number
-
+
22520101540 = 2257673146749
BaseRepresentation
bin10100111110010011…
…010111101010100100
32011010110112200122211
4110332103113222210
5332110121222130
614202351533204
71425032463466
oct247623275244
964113480584
1022520101540
119607012672
124445b2a204
13217b824791
141138c8a136
158bc117a2a
hex53e4d7aa4

22520101540 has 24 divisors (see below), whose sum is σ = 47298699000. Its totient is φ = 9006805248.

The previous prime is 22520101507. The next prime is 22520101567. The reversal of 22520101540 is 4510102522.

It can be written as a sum of positive squares in 4 ways, for example, as 693584896 + 21826516644 = 26336^2 + 147738^2 .

It is a super-3 number, since 3×225201015403 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80086 + ... + 226834.

It is an arithmetic number, because the mean of its divisors is an integer number (1970779125).

Almost surely, 222520101540 is an apocalyptic number.

22520101540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22520101540 is an abundant number, since it is smaller than the sum of its proper divisors (24778597460).

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

22520101540 is a wasteful number, since it uses less digits than its factorization.

22520101540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154431 (or 154429 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The spelling of 22520101540 in words is "twenty-two billion, five hundred twenty million, one hundred one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 7673 15346 30692 38365 76730 146749 153460 293498 586996 733745 1467490 2934980 1126005077 2252010154 4504020308 5630025385 11260050770 22520101540