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11031251132 = 22114316734913
BaseRepresentation
bin10100100011000001…
…11000100010111100
31001110210020121201202
422101200320202330
5140043000014012
65022341555032
7540236042006
oct122140704274
931423217652
1011031251132
114750943280
12217a415a78
13106a549c45
147690c7376
154486b3cc2
hex2918388bc

11031251132 has 48 divisors (see below), whose sum is σ = 21679080192. Its totient is φ = 4868129280.

The previous prime is 11031251131. The next prime is 11031251201. The reversal of 11031251132 is 23115213011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031251131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298508 + ... + 333420.

It is an arithmetic number, because the mean of its divisors is an integer number (451647504).

Almost surely, 211031251132 is an apocalyptic number.

It is an amenable number.

11031251132 is a deficient number, since it is larger than the sum of its proper divisors (10647829060).

11031251132 is a wasteful number, since it uses less digits than its factorization.

11031251132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35138 (or 35136 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11031251132 its reverse (23115213011), we get a palindrome (34146464143).

The spelling of 11031251132 in words is "eleven billion, thirty-one million, two hundred fifty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 43 44 86 167 172 334 473 668 946 1837 1892 3674 7181 7348 14362 28724 34913 69826 78991 139652 157982 315964 384043 768086 1501259 1536172 3002518 5830471 6005036 11660942 16513849 23321884 33027698 64135181 66055396 128270362 250710253 256540724 501420506 1002841012 2757812783 5515625566 11031251132