Search a number
-
+
108912996461 = 1873197929383
BaseRepresentation
bin110010101101110111…
…0000111000001101101
3101102010100000110211202
41211123232013001231
53241023211341321
6122011155255245
710603652123633
oct1453356070155
9342110013752
10108912996461
114220a602285
12191368aa525
13a369249949
1453b2aa9353
152c7697c70b
hex195bb8706d

108912996461 has 8 divisors (see below), whose sum is σ = 109029919680. Its totient is φ = 108796139712.

The previous prime is 108912996419. The next prime is 108912996481. The reversal of 108912996461 is 164699219801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108912996461 - 218 = 108912734317 is a prime.

It is a super-2 number, since 2×1089129964612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108912996397 and 108912996406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108912996481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3691976 + ... + 3721358.

It is an arithmetic number, because the mean of its divisors is an integer number (13628739960).

Almost surely, 2108912996461 is an apocalyptic number.

It is an amenable number.

108912996461 is a deficient number, since it is larger than the sum of its proper divisors (116923219).

108912996461 is a wasteful number, since it uses less digits than its factorization.

108912996461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33235.

The product of its (nonzero) digits is 1679616, while the sum is 56.

The spelling of 108912996461 in words is "one hundred eight billion, nine hundred twelve million, nine hundred ninety-six thousand, four hundred sixty-one".

Divisors: 1 1873 1979 29383 3706667 55034359 58148957 108912996461