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133122553 = 1974671447
BaseRepresentation
bin1111110111101…
…00100111111001
3100021111022210221
413323310213321
5233034410203
621113140041
73204344254
oct773644771
9307438727
10133122553
1169164a43
12386ba621
132176cb55
141397409b
15ba48abd
hex7ef49f9

133122553 has 8 divisors (see below), whose sum is σ = 134177472. Its totient is φ = 132071856.

The previous prime is 133122541. The next prime is 133122571. The reversal of 133122553 is 355221331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133122553 is a prime.

It is a super-2 number, since 2×1331225532 = 35443228234475618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133122523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91276 + ... + 92722.

It is an arithmetic number, because the mean of its divisors is an integer number (16772184).

Almost surely, 2133122553 is an apocalyptic number.

It is an amenable number.

133122553 is a deficient number, since it is larger than the sum of its proper divisors (1054919).

133122553 is a wasteful number, since it uses less digits than its factorization.

133122553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111.

The product of its digits is 2700, while the sum is 25.

The square root of 133122553 is about 11537.8747176419. The cubic root of 133122553 is about 510.6036080172.

Adding to 133122553 its reverse (355221331), we get a palindrome (488343884).

The spelling of 133122553 in words is "one hundred thirty-three million, one hundred twenty-two thousand, five hundred fifty-three".

Divisors: 1 197 467 1447 91999 285059 675749 133122553