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133170821419 = 1931821927509
BaseRepresentation
bin111110000000110011…
…0010111100100101011
3110201201220101122220011
41330001212113210223
54140213212241134
6141102224512351
712423045206446
oct1740146274453
9421656348804
10133170821419
11515285031a9
122198677b6b7
13c733a9821c
14663465a65d
1536e63eb264
hex1f0199792b

133170821419 has 16 divisors (see below), whose sum is σ = 144724608000. Its totient is φ = 122072801760.

The previous prime is 133170821417. The next prime is 133170821447. The reversal of 133170821419 is 914128071331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133170821419 - 21 = 133170821417 is a prime.

It is a super-2 number, since 2×1331708214192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133170821417) 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 15 ways as a sum of consecutive naturals, for example, 4827237 + ... + 4854745.

It is an arithmetic number, because the mean of its divisors is an integer number (9045288000).

Almost surely, 2133170821419 is an apocalyptic number.

133170821419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

133170821419 is a deficient number, since it is larger than the sum of its proper divisors (11553786581).

133170821419 is a wasteful number, since it uses less digits than its factorization.

133170821419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35778.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 133170821419 in words is "one hundred thirty-three billion, one hundred seventy million, eight hundred twenty-one thousand, four hundred nineteen".

Divisors: 1 19 31 589 8219 27509 156161 254789 522671 852779 4840991 16202801 226096471 4295832949 7008990601 133170821419