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33033142140 = 2235550552369
BaseRepresentation
bin11110110000111011…
…011011111101111100
310011021010200111011220
4132300323123331330
51020122441022030
623101502513340
72246410034565
oct366073337574
9104233614156
1033033142140
1113011390679
12649a895850
1331658b186b
1418551db16c
15cd5067a10
hex7b0edbf7c

33033142140 has 24 divisors (see below), whose sum is σ = 92492798160. Its totient is φ = 8808837888.

The previous prime is 33033142091. The next prime is 33033142147. The reversal of 33033142140 is 4124133033.

It is a self number, because there is not a number n which added to its sum of digits gives 33033142140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33033142147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275276125 + ... + 275276244.

It is an arithmetic number, because the mean of its divisors is an integer number (3853866590).

Almost surely, 233033142140 is an apocalyptic number.

33033142140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33033142140 is an abundant number, since it is smaller than the sum of its proper divisors (59459656020).

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

33033142140 is a wasteful number, since it uses less digits than its factorization.

33033142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550552381 (or 550552379 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 33033142140 its reverse (4124133033), we get a palindrome (37157275173).

The spelling of 33033142140 in words is "thirty-three billion, thirty-three million, one hundred forty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 550552369 1101104738 1651657107 2202209476 2752761845 3303314214 5505523690 6606628428 8258285535 11011047380 16516571070 33033142140