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33012240212 = 2272741122727
BaseRepresentation
bin11110101111101011…
…101100111101010100
310011012200100120010102
4132233223230331110
51020102113141322
623055434513232
72246034261200
oct365753547524
9104180316112
1033012240212
1113000604756
126493895818
133161473a63
141852519b00
15cd32d9792
hex7afaecf54

33012240212 has 36 divisors (see below), whose sum is σ = 67215514464. Its totient is φ = 14145571440.

The previous prime is 33012240197. The next prime is 33012240223. The reversal of 33012240212 is 21204221033.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1441193 + ... + 1463919.

It is an arithmetic number, because the mean of its divisors is an integer number (1867097624).

Almost surely, 233012240212 is an apocalyptic number.

It is an amenable number.

33012240212 is an abundant number, since it is smaller than the sum of its proper divisors (34203274252).

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

33012240212 is a wasteful number, since it uses less digits than its factorization.

33012240212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30156 (or 30147 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33012240212 its reverse (21204221033), we get a palindrome (54216461245).

The spelling of 33012240212 in words is "thirty-three billion, twelve million, two hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 7411 14822 22727 29644 45454 51877 90908 103754 159089 207508 318178 363139 636356 726278 1113623 1452556 2227246 4454492 168429797 336859594 673719188 1179008579 2358017158 4716034316 8253060053 16506120106 33012240212