Search a number
-
+
43801103748040 = 2353455333169097
BaseRepresentation
bin10011111010110001111010…
…01110101100101111001000
312202002100022020020020102021
421331120331032230233020
521220114130024414130
6233053541013214224
712140345116566142
oct1175307516545710
9182070266206367
1043801103748040
1112a57a4219a801
124ab4b45031374
131b59570937982
14ab5db016dc92
1550e5795c937a
hex27d63d3acbc8

43801103748040 has 32 divisors (see below), whose sum is σ = 98552799749880. Its totient is φ = 17520385265152.

The previous prime is 43801103748029. The next prime is 43801103748049. The reversal of 43801103748040 is 4084730110834.

It can be written as a sum of positive squares in 4 ways, for example, as 42546215380516 + 1254888367524 = 6522746^2 + 1120218^2 .

It is not an unprimeable number, because it can be changed into a prime (43801103748049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12236772 + ... + 15405868.

Almost surely, 243801103748040 is an apocalyptic number.

43801103748040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43801103748040 is an abundant number, since it is smaller than the sum of its proper divisors (54751696001840).

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

43801103748040 is a wasteful number, since it uses less digits than its factorization.

43801103748040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514641 (or 3514637 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

Adding to 43801103748040 its reverse (4084730110834), we get a palindrome (47885833858874).

The spelling of 43801103748040 in words is "forty-three trillion, eight hundred one billion, one hundred three million, seven hundred forty-eight thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 345533 691066 1382132 1727665 2764264 3169097 3455330 6338194 6910660 12676388 13821320 15845485 25352776 31690970 63381940 126763880 1095027593701 2190055187402 4380110374804 5475137968505 8760220749608 10950275937010 21900551874020 43801103748040