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19425052934 = 277919019239
BaseRepresentation
bin10010000101110100…
…101100100100000110
31212010202122221010222
4102011310230210012
5304240303143214
612531310144342
71255241140250
oct220564544406
955122587128
1019425052934
118268a32861
1239214b20b2
131aa7541381
14d23bc0cd0
1578a54b38e
hex485d2c906

19425052934 has 32 divisors (see below), whose sum is σ = 33743001600. Its totient is φ = 8214429600.

The previous prime is 19425052909. The next prime is 19425052961. The reversal of 19425052934 is 43925052491.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2097887 + ... + 2107125.

It is an arithmetic number, because the mean of its divisors is an integer number (1054468800).

Almost surely, 219425052934 is an apocalyptic number.

19425052934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19425052934 is a deficient number, since it is larger than the sum of its proper divisors (14317948666).

19425052934 is a wasteful number, since it uses less digits than its factorization.

19425052934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11228.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 19425052934 in words is "nineteen billion, four hundred twenty-five million, fifty-two thousand, nine hundred thirty-four".

Divisors: 1 2 7 14 79 158 553 1106 1901 3802 9239 13307 18478 26614 64673 129346 150179 300358 729881 1051253 1459762 2102506 5109167 10218334 17563339 35126678 122943373 245886746 1387503781 2775007562 9712526467 19425052934