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33120213132 = 22331577154303
BaseRepresentation
bin11110110110000111…
…100101100010001100
310011111012112011010110
4132312013211202030
51020312233310012
623114253040020
72251515111066
oct366607454214
9104435464113
1033120213132
1113056551376
126503a86010
13317a949566
1418629c4736
15cdca1673c
hex7b61e588c

33120213132 has 48 divisors (see below), whose sum is σ = 79912189952. Its totient is φ = 10665354240.

The previous prime is 33120213097. The next prime is 33120213149. The reversal of 33120213132 is 23131202133.

It is a junction number, because it is equal to n+sod(n) for n = 33120213099 and 33120213108.

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, 137493 + ... + 291795.

Almost surely, 233120213132 is an apocalyptic number.

It is an amenable number.

33120213132 is an abundant number, since it is smaller than the sum of its proper divisors (46791976820).

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

33120213132 is a wasteful number, since it uses less digits than its factorization.

33120213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154918 (or 154916 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 33120213132 its reverse (23131202133), we get a palindrome (56251415265).

The spelling of 33120213132 in words is "thirty-three billion, one hundred twenty million, two hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 577 1154 1731 2308 3462 6924 17887 35774 53661 71548 107322 154303 214644 308606 462909 617212 925818 1851636 4783393 9566786 14350179 19133572 28700358 57400716 89032831 178065662 267098493 356131324 534196986 1068393972 2760017761 5520035522 8280053283 11040071044 16560106566 33120213132