Search a number
-
+
19341748554 = 23192575091297
BaseRepresentation
bin10010000000110110…
…111010100101001010
31211220221220122000120
4102000312322211022
5304102441423204
612515132444110
71253210102322
oct220066724512
954827818016
1019341748554
118225a04a67
1238b9619636
131a931c4c3b
14d16ad8282
157830936d9
hex480dba94a

19341748554 has 64 divisors (see below), whose sum is σ = 40989801600. Its totient is φ = 6067519488.

The previous prime is 19341748553. The next prime is 19341748571. The reversal of 19341748554 is 45584714391.

It is a super-2 number, since 2×193417485542 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19341748497 and 19341748506.

It is not an unprimeable number, because it can be changed into a prime (19341748553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14912034 + ... + 14913330.

It is an arithmetic number, because the mean of its divisors is an integer number (640465650).

Almost surely, 219341748554 is an apocalyptic number.

19341748554 is an abundant number, since it is smaller than the sum of its proper divisors (21648053046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19341748554 is a wasteful number, since it uses less digits than its factorization.

19341748554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its digits is 2419200, while the sum is 51.

The spelling of 19341748554 in words is "nineteen billion, three hundred forty-one million, seven hundred forty-eight thousand, five hundred fifty-four".

Divisors: 1 2 3 6 19 38 57 114 257 509 514 771 1018 1297 1527 1542 2594 3054 3891 4883 7782 9671 9766 14649 19342 24643 29013 29298 49286 58026 73929 130813 147858 261626 333329 392439 660173 666658 784878 999987 1320346 1980519 1999974 2485447 3961038 4970894 6333251 7456341 12543287 12666502 14912682 18999753 25086574 37629861 37999506 75259722 169664461 339328922 508993383 1017986766 3223624759 6447249518 9670874277 19341748554