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19301424933 = 372931693637
BaseRepresentation
bin10001111110011101…
…000101111100100101
31211211011000222102010
4101332131011330211
5304012131044213
612511132304433
71252210255620
oct217635057445
954734028363
1019301424933
11820517325a
1238a8012119
131a87a46ccb
14d115dcdb7
1577e77aac3
hex47e745f25

19301424933 has 16 divisors (see below), whose sum is σ = 30425892480. Its totient is φ = 10649061696.

The previous prime is 19301424931. The next prime is 19301424953. The reversal of 19301424933 is 33942410391.

It is not a de Polignac number, because 19301424933 - 21 = 19301424931 is a prime.

It is a super-3 number, since 3×193014249333 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19301424891 and 19301424900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19301424931) 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, 15846210 + ... + 15847427.

It is an arithmetic number, because the mean of its divisors is an integer number (1901618280).

Almost surely, 219301424933 is an apocalyptic number.

It is an amenable number.

19301424933 is a deficient number, since it is larger than the sum of its proper divisors (11124467547).

19301424933 is a wasteful number, since it uses less digits than its factorization.

19301424933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31693676.

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 19301424933 in words is "nineteen billion, three hundred one million, four hundred twenty-four thousand, nine hundred thirty-three".

Divisors: 1 3 7 21 29 87 203 609 31693637 95080911 221855459 665566377 919115473 2757346419 6433808311 19301424933