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19170144497429 = 251332322983773
BaseRepresentation
bin1000101101111011001011…
…01001110010111100010101
32111212122111022221002111122
410112331211221302330111
510003040423442404204
6104434350502413325
74015666023442202
oct426754551627425
974778438832448
1019170144497429
116121015893382
122197376731245
13a90976b95713
144a3ba8b42ca9
152339d59ae0be
hex116f65a72f15

19170144497429 has 8 divisors (see below), whose sum is σ = 19252312323552. Its totient is φ = 19088022646000.

The previous prime is 19170144497419. The next prime is 19170144497479. The reversal of 19170144497429 is 92479444107191.

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

It is a cyclic number.

It is not a de Polignac number, because 19170144497429 - 28 = 19170144497173 is a prime.

It is a super-2 number, since 2×191701444974292 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19170144497419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10657814 + ... + 12325959.

It is an arithmetic number, because the mean of its divisors is an integer number (2406539040444).

Almost surely, 219170144497429 is an apocalyptic number.

It is an amenable number.

19170144497429 is a deficient number, since it is larger than the sum of its proper divisors (82167826123).

19170144497429 is a wasteful number, since it uses less digits than its factorization.

19170144497429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22987347.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 19170144497429 in words is "nineteen trillion, one hundred seventy billion, one hundred forty-four million, four hundred ninety-seven thousand, four hundred twenty-nine".

Divisors: 1 251 3323 834073 22983773 5768927023 76375077679 19170144497429