Search a number
-
+
33120112100 = 2252421786701
BaseRepresentation
bin11110110110000111…
…001100110111100100
310011111012100000112112
4132312013030313210
51020312222041400
623114250540152
72251514210405
oct366607146744
9104435300475
1033120112100
1113056492479
126503a37658
13317a91258a
1418629999ac
15cdc9e6835
hex7b61ccde4

33120112100 has 36 divisors (see below), whose sum is σ = 72041448948. Its totient is φ = 13216560000.

The previous prime is 33120112057. The next prime is 33120112127. The reversal of 33120112100 is 121102133.

It can be written as a sum of positive squares in 6 ways, for example, as 4861157284 + 28258954816 = 69722^2 + 168104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351251 + ... + 435450.

Almost surely, 233120112100 is an apocalyptic number.

It is an amenable number.

33120112100 is an abundant number, since it is smaller than the sum of its proper divisors (38921336848).

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

33120112100 is a wasteful number, since it uses less digits than its factorization.

33120112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787136 (or 787129 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 33120112100 its reverse (121102133), we get a palindrome (33241214233).

The spelling of 33120112100 in words is "thirty-three billion, one hundred twenty million, one hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 421 842 1684 2105 4210 8420 10525 21050 42100 786701 1573402 3146804 3933505 7867010 15734020 19667525 39335050 78670100 331201121 662402242 1324804484 1656005605 3312011210 6624022420 8280028025 16560056050 33120112100