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33031243130 = 2524137136849
BaseRepresentation
bin11110110000110100…
…001100010101111010
310011021000010000020012
4132300310030111322
51020121444240010
623101354101522
72246354635244
oct366064142572
9104230100205
1033031243130
1113010303946
12649a11a8a2
1331653983a2
141854c65094
15cd4ce0005
hex7b0d0c57a

33031243130 has 16 divisors (see below), whose sum is σ = 59459135400. Its totient is φ = 13211853312.

The previous prime is 33031243123. The next prime is 33031243181. The reversal of 33031243130 is 3134213033.

It can be written as a sum of positive squares in 4 ways, for example, as 18475061929 + 14556181201 = 135923^2 + 120649^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33031243096 and 33031243105.

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, 172946 + ... + 309794.

Almost surely, 233031243130 is an apocalyptic number.

33031243130 is a deficient number, since it is larger than the sum of its proper divisors (26427892270).

33031243130 is a wasteful number, since it uses less digits than its factorization.

33031243130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160993.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33031243130 its reverse (3134213033), we get a palindrome (36165456163).

The spelling of 33031243130 in words is "thirty-three billion, thirty-one million, two hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 24137 48274 120685 136849 241370 273698 684245 1368490 3303124313 6606248626 16515621565 33031243130