Search a number
-
+
104200006881 = 347839880819
BaseRepresentation
bin110000100001011001…
…1011110110011100001
3100221221212200210120010
41201002303132303201
53201400200210011
6115511355435133
710346113305345
oct1410263366341
9327855623503
10104200006881
1140211207473
1218240455aa9
139a979bb609
145086b99625
152a9cd1b1a6
hex1842cdece1

104200006881 has 16 divisors (see below), whose sum is σ = 142058649600. Its totient is φ = 67907544528.

The previous prime is 104200006831. The next prime is 104200006949. The reversal of 104200006881 is 188600002401.

It is not a de Polignac number, because 104200006881 - 213 = 104199998689 is a prime.

It is a super-2 number, since 2×1042000068812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (104200006831) 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, 322111 + ... + 558708.

It is an arithmetic number, because the mean of its divisors is an integer number (8878665600).

Almost surely, 2104200006881 is an apocalyptic number.

It is an amenable number.

104200006881 is a deficient number, since it is larger than the sum of its proper divisors (37858642719).

104200006881 is an equidigital number, since it uses as much as digits as its factorization.

104200006881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881708.

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 104200006881 in words is "one hundred four billion, two hundred million, six thousand, eight hundred eighty-one".

Divisors: 1 3 47 141 839 2517 39433 118299 880819 2642457 41398493 124195479 739007141 2217021423 34733335627 104200006881