Search a number
-
+
79611920000000 = 210574323143
BaseRepresentation
bin10010000110100000011000…
…001101100010010000000000
3101102212211021120212101121122
4102012200120031202100000
540413330203010000000
6441153113335211412
722524525410420033
oct2206403015422000
9342784246771548
1079611920000000
11234042533a8213
128b193a6b16b68
1335564aac2831b
14159334794701a
15930d4e75c085
hex486818362400

79611920000000 has 352 divisors, whose sum is σ = 203567231991552. Its totient is φ = 31102848000000.

The previous prime is 79611919999987. The next prime is 79611920000023. The reversal of 79611920000000 is 2911697.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3439988429 + ... + 3440011571.

It is an arithmetic number, because the mean of its divisors is an integer number (578315999976).

Almost surely, 279611920000000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79611920000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101783615995776).

79611920000000 is an abundant number, since it is smaller than the sum of its proper divisors (123955311991552).

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

79611920000000 is an frugal number, since it uses more digits than its factorization.

79611920000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23241 (or 23193 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 35.

Adding to 79611920000000 its reverse (2911697), we get a palindrome (79611922911697).

The spelling of 79611920000000 in words is "seventy-nine trillion, six hundred eleven billion, nine hundred twenty million", and thus it is an aban number.