Search a number
-
+
131423144303340 = 22325730128579463
BaseRepresentation
bin11101111000011101010101…
…110101001101101011101100
3122020022221002220002111210200
4131320131111311031223230
5114211214044420201330
61143302543051233500
736453003013533531
oct3570352565155354
9566287086074720
10131423144303340
113896a27384613a
12128a6829148890
1358441c31041b6
142464cb24dad88
15102d93e51ea60
hex778755d4daec

131423144303340 has 36 divisors (see below), whose sum is σ = 398650204387344. Its totient is φ = 35046171814176.

The previous prime is 131423144303299. The next prime is 131423144303359. The reversal of 131423144303340 is 43303441324131.

131423144303340 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 2 + 3 + 1 + 4 + 4 + 303 + 340 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 131423144303295 and 131423144303304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 365064289552 + ... + 365064289911.

Almost surely, 2131423144303340 is an apocalyptic number.

131423144303340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423144303340 is an abundant number, since it is smaller than the sum of its proper divisors (267227060084004).

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

131423144303340 is a wasteful number, since it uses less digits than its factorization.

131423144303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730128579478 (or 730128579473 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 131423144303340 its reverse (43303441324131), we get a palindrome (174726585627471).

The spelling of 131423144303340 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred forty-four million, three hundred three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 730128579463 1460257158926 2190385738389 2920514317852 3650642897315 4380771476778 6571157215167 7301285794630 8761542953556 10951928691945 13142314430334 14602571589260 21903857383890 26284628860668 32855786075835 43807714767780 65711572151670 131423144303340