Search a number
-
+
61001600001 = 347432635461
BaseRepresentation
bin111000110011111110…
…101000110000000001
312211110022021100122120
4320303332220300001
51444412402200001
644005043554453
74256451021216
oct706376506001
9184408240576
1061001600001
11239638a3a61
12b9a538ba29
1359a2107704
142d498d9b0d
1518c064d236
hexe33fa8c01

61001600001 has 8 divisors (see below), whose sum is σ = 83066008704. Its totient is φ = 39802462320.

The previous prime is 61001599979. The next prime is 61001600027. The reversal of 61001600001 is 10000610016.

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

It is not a de Polignac number, because 61001600001 - 211 = 61001597953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61001600801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216317590 + ... + 216317871.

It is an arithmetic number, because the mean of its divisors is an integer number (10383251088).

Almost surely, 261001600001 is an apocalyptic number.

It is an amenable number.

61001600001 is a deficient number, since it is larger than the sum of its proper divisors (22064408703).

61001600001 is a wasteful number, since it uses less digits than its factorization.

61001600001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432635511.

The product of its (nonzero) digits is 36, while the sum is 15.

The spelling of 61001600001 in words is "sixty-one billion, one million, six hundred thousand, one".

Divisors: 1 3 47 141 432635461 1297906383 20333866667 61001600001