Search a number
-
+
23752030040 = 2353131897127
BaseRepresentation
bin10110000111101110…
…110011011101011000
32021022022122010212022
4112013232303131120
5342121004430130
614524520234012
71500411631664
oct260756633530
967268563768
1023752030040
11a0894467a2
12472a60b908
132316b1795b
14121472b8a4
1594035d7e5
hex587bb3758

23752030040 has 32 divisors (see below), whose sum is σ = 53612837280. Its totient is φ = 9470452992.

The previous prime is 23752030039. The next prime is 23752030067. The reversal of 23752030040 is 4003025732.

It is a junction number, because it is equal to n+sod(n) for n = 23752029991 and 23752030009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936044 + ... + 961083.

It is an arithmetic number, because the mean of its divisors is an integer number (1675401165).

Almost surely, 223752030040 is an apocalyptic number.

23752030040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23752030040 is an abundant number, since it is smaller than the sum of its proper divisors (29860807240).

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

23752030040 is a wasteful number, since it uses less digits than its factorization.

23752030040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897451 (or 1897447 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

Adding to 23752030040 its reverse (4003025732), we get a palindrome (27755055772).

The spelling of 23752030040 in words is "twenty-three billion, seven hundred fifty-two million, thirty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 313 626 1252 1565 2504 3130 6260 12520 1897127 3794254 7588508 9485635 15177016 18971270 37942540 75885080 593800751 1187601502 2375203004 2969003755 4750406008 5938007510 11876015020 23752030040