Search a number
-
+
33230310220 = 22513911953349
BaseRepresentation
bin11110111100101011…
…100100101101001100
310011202212200122221101
4132330223210231030
51021023424411340
623133224512444
72254322655622
oct367453445514
9104685618841
1033230310220
11131027099a8
12653491b724
1331976b6b73
141873483512
15ce7512c9a
hex7bcae4b4c

33230310220 has 24 divisors (see below), whose sum is σ = 70285698000. Its totient is φ = 13196496192.

The previous prime is 33230310203. The next prime is 33230310251. The reversal of 33230310220 is 2201303233.

It is a happy number.

It is a super-2 number, since 2×332303102202 (a number of 22 digits) contains 22 as substring.

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, 5973895 + ... + 5979454.

It is an arithmetic number, because the mean of its divisors is an integer number (2928570750).

Almost surely, 233230310220 is an apocalyptic number.

It is an amenable number.

33230310220 is an abundant number, since it is smaller than the sum of its proper divisors (37055387780).

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

33230310220 is a wasteful number, since it uses less digits than its factorization.

33230310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11953497 (or 11953495 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33230310220 its reverse (2201303233), we get a palindrome (35431613453).

The spelling of 33230310220 in words is "thirty-three billion, two hundred thirty million, three hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 11953349 23906698 47813396 59766745 119533490 239066980 1661515511 3323031022 6646062044 8307577555 16615155110 33230310220