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20133103133 = 11131961911971
BaseRepresentation
bin10010110000000001…
…101100011000011101
31220222002222121102102
4102300001230120131
5312213033300013
613125442134445
71311626360453
oct226001543035
956862877372
1020133103133
1185a1680410
123a9a651425
131b8b13b9a0
14d8dc529d3
157cc7add58
hex4b006c61d

20133103133 has 32 divisors (see below), whose sum is σ = 24940070400. Its totient is φ = 15978513600.

The previous prime is 20133103103. The next prime is 20133103139. The reversal of 20133103133 is 33130133102.

It is not a de Polignac number, because 20133103133 - 210 = 20133102109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133103139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1675838 + ... + 1687808.

It is an arithmetic number, because the mean of its divisors is an integer number (779377200).

Almost surely, 220133103133 is an apocalyptic number.

It is an amenable number.

20133103133 is a deficient number, since it is larger than the sum of its proper divisors (4806967267).

20133103133 is a wasteful number, since it uses less digits than its factorization.

20133103133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20133103133 its reverse (33130133102), we get a palindrome (53263236235).

The spelling of 20133103133 in words is "twenty billion, one hundred thirty-three million, one hundred three thousand, one hundred thirty-three".

Divisors: 1 11 13 19 143 209 247 619 2717 6809 8047 11761 11971 88517 129371 131681 152893 155623 227449 1681823 1711853 2501939 2956837 7410049 32525207 81510539 96330637 140790931 1059637007 1548700241 1830282103 20133103133