Search a number
-
+
2581008126001 = 10147035433667
BaseRepresentation
bin100101100011110000000…
…100101001000000110001
3100010202000220010202002121
4211203300010221000301
5314241401040013001
65253410533314241
7354320534043034
oct45436004510061
910122026122077
102581008126001
11905665889348
12358272495981
1315950763a9c6
148ccc86b301b
15472108686a1
hex258f0129031

2581008126001 has 8 divisors (see below), whose sum is σ = 2607117375744. Its totient is φ = 2554909753200.

The previous prime is 2581008125999. The next prime is 2581008126029. The reversal of 2581008126001 is 1006218001852.

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 2581008126001 - 21 = 2581008125999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2581008126041) 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, 2241831 + ... + 3191836.

It is an arithmetic number, because the mean of its divisors is an integer number (325889671968).

Almost surely, 22581008126001 is an apocalyptic number.

It is an amenable number.

2581008126001 is a deficient number, since it is larger than the sum of its proper divisors (26109249743).

2581008126001 is a wasteful number, since it uses less digits than its factorization.

2581008126001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438471.

The product of its (nonzero) digits is 7680, while the sum is 34.

The spelling of 2581008126001 in words is "two trillion, five hundred eighty-one billion, eight million, one hundred twenty-six thousand, one".

Divisors: 1 101 4703 475003 5433667 548800367 25554535901 2581008126001