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19252111469 = 37214062901
BaseRepresentation
bin10001111011100000…
…111110100001101101
31211200201020121001112
4101323200332201231
5303412020031334
612502211321405
71251041150603
oct217340764155
954621217045
1019252111469
11818a351328
1238935b0265
131a7a76c246
14d08c43873
1577a2894ce
hex47b83e86d

19252111469 has 6 divisors (see below), whose sum is σ = 19786503114. Its totient is φ = 18731782800.

The previous prime is 19252111447. The next prime is 19252111481. The reversal of 19252111469 is 96411125291.

It can be written as a sum of positive squares in 3 ways, for example, as 6293248900 + 12958862569 = 79330^2 + 113837^2 .

It is not a de Polignac number, because 19252111469 - 216 = 19252045933 is a prime.

It is a super-2 number, since 2×192521114692 (a number of 21 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 (19252111069) 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 5 ways as a sum of consecutive naturals, for example, 7030082 + ... + 7032819.

It is an arithmetic number, because the mean of its divisors is an integer number (3297750519).

Almost surely, 219252111469 is an apocalyptic number.

It is an amenable number.

19252111469 is a deficient number, since it is larger than the sum of its proper divisors (534391645).

19252111469 is an equidigital number, since it uses as much as digits as its factorization.

19252111469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14062975 (or 14062938 counting only the distinct ones).

The product of its digits is 38880, while the sum is 41.

The spelling of 19252111469 in words is "nineteen billion, two hundred fifty-two million, one hundred eleven thousand, four hundred sixty-nine".

Divisors: 1 37 1369 14062901 520327337 19252111469