Search a number
-
+
19627460941 = 1122389109727
BaseRepresentation
bin10010010001111000…
…110100100101001101
31212122212112022201211
4102101320310211031
5310144112222231
613003340334421
71263246444124
oct222170644515
955585468654
1019627460941
11836220aa00
123979244411
131b0a45c71a
14d42a2cabb
1579d1cdeb1
hex491e3494d

19627460941 has 48 divisors (see below), whose sum is σ = 23005382400. Its totient is φ = 16697767680.

The previous prime is 19627460899. The next prime is 19627461011. The reversal of 19627460941 is 14906472691.

It is not a de Polignac number, because 19627460941 - 221 = 19625363789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19627469941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26997520 + ... + 26998246.

It is an arithmetic number, because the mean of its divisors is an integer number (479278800).

Almost surely, 219627460941 is an apocalyptic number.

19627460941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

19627460941 is a deficient number, since it is larger than the sum of its proper divisors (3377921459).

19627460941 is a wasteful number, since it uses less digits than its factorization.

19627460941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 19627460941 in words is "nineteen billion, six hundred twenty-seven million, four hundred sixty thousand, nine hundred forty-one".

Divisors: 1 11 23 89 109 121 253 727 979 1199 2047 2507 2783 7997 9701 10769 13189 16721 22517 27577 64703 79243 87967 106711 183931 223123 247687 303347 711733 871673 1173821 1488169 1822589 2023241 2454353 7052627 7829063 9588403 16369859 20048479 26997883 77578897 162210421 180068449 220533269 853367867 1784314631 19627460941