Search a number
-
+
33145501020 = 22352324018479
BaseRepresentation
bin11110110111101000…
…000011010101011100
310011112222002220120220
4132313220003111130
51020340222013040
623120555041340
72252243052522
oct366750032534
9104488086526
1033145501020
1113069853555
126510440250
133182c617c8
1418660c8312
15cded5e2d0
hex7b7a0355c

33145501020 has 48 divisors (see below), whose sum is σ = 96842511360. Its totient is φ = 8454504256.

The previous prime is 33145501003. The next prime is 33145501031. The reversal of 33145501020 is 2010554133.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 12007860 + ... + 12010619.

It is an arithmetic number, because the mean of its divisors is an integer number (2017552320).

Almost surely, 233145501020 is an apocalyptic number.

33145501020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33145501020 is an abundant number, since it is smaller than the sum of its proper divisors (63697010340).

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

33145501020 is a wasteful number, since it uses less digits than its factorization.

33145501020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24018514 (or 24018512 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 33145501020 in words is "thirty-three billion, one hundred forty-five million, five hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 24018479 48036958 72055437 96073916 120092395 144110874 240184790 288221748 360277185 480369580 552425017 720554370 1104850034 1441108740 1657275051 2209700068 2762125085 3314550102 5524250170 6629100204 8286375255 11048500340 16572750510 33145501020