Search a number
-
+
83378736883429 = 1331206895128743
BaseRepresentation
bin10010111101010100011111…
…111111100110011011100101
3101221012221002112101102121221
4102331110133333212123211
541412034123120232204
6453155355105540341
723363625553556101
oct2275243777463345
9357187075342557
1083378736883429
11246267a6322aa9
1294274363446b1
13376a772a32970
1416837a3ac8901
15998d13ea3654
hex4bd51ffe66e5

83378736883429 has 8 divisors (see below), whose sum is σ = 92689017677312. Its totient is φ = 74482246347120.

The previous prime is 83378736883427. The next prime is 83378736883459. The reversal of 83378736883429 is 92438863787338.

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 83378736883429 - 21 = 83378736883427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83378736883427) 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, 103447563969 + ... + 103447564774.

It is an arithmetic number, because the mean of its divisors is an integer number (11586127209664).

Almost surely, 283378736883429 is an apocalyptic number.

It is an amenable number.

83378736883429 is a deficient number, since it is larger than the sum of its proper divisors (9310280793883).

83378736883429 is a wasteful number, since it uses less digits than its factorization.

83378736883429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206895128787.

The product of its digits is 7023034368, while the sum is 79.

The spelling of 83378736883429 in words is "eighty-three trillion, three hundred seventy-eight billion, seven hundred thirty-six million, eight hundred eighty-three thousand, four hundred twenty-nine".

Divisors: 1 13 31 403 206895128743 2689636673659 6413748991033 83378736883429