Search a number
-
+
33145454040 = 23351031267907
BaseRepresentation
bin11110110111100111…
…110111110111011000
310011112222000112010220
4132313213313313120
51020340214012130
623120554040040
72252242465536
oct366747676730
9104488015126
1033145454040
1113069821226
126510419020
133182c462ca
1418660b5156
15cded50410
hex7b79f7dd8

33145454040 has 64 divisors (see below), whose sum is σ = 99533180160. Its totient is φ = 8830181760.

The previous prime is 33145454009. The next prime is 33145454053. The reversal of 33145454040 is 4045454133.

It is a happy number.

It is a super-2 number, since 2×331454540402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33145453992 and 33145454010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10234 + ... + 257673.

It is an arithmetic number, because the mean of its divisors is an integer number (1555205940).

Almost surely, 233145454040 is an apocalyptic number.

33145454040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33145454040 is an abundant number, since it is smaller than the sum of its proper divisors (66387726120).

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

33145454040 is a wasteful number, since it uses less digits than its factorization.

33145454040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268952 (or 268948 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 33145454040 in words is "thirty-three billion, one hundred forty-five million, four hundred fifty-four thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1031 2062 3093 4124 5155 6186 8248 10310 12372 15465 20620 24744 30930 41240 61860 123720 267907 535814 803721 1071628 1339535 1607442 2143256 2679070 3214884 4018605 5358140 6429768 8037210 10716280 16074420 32148840 276212117 552424234 828636351 1104848468 1381060585 1657272702 2209696936 2762121170 3314545404 4143181755 5524242340 6629090808 8286363510 11048484680 16572727020 33145454040