Search a number
-
+
1002151444454 = 219124921114817
BaseRepresentation
bin11101001010101001110…
…00010111111111100110
310112210201122202010102222
432211110320113333212
5112404401232210304
62044214303232342
7132255150504566
oct16452470277746
93483648663388
101002151444454
11357012400a66
121422825a86b2
137366bc293b4
143670c084da6
151b1055914be
hexe954e17fe6

1002151444454 has 16 divisors (see below), whose sum is σ = 1583611350000. Its totient is φ = 474323226624.

The previous prime is 1002151444433. The next prime is 1002151444457. The reversal of 1002151444454 is 4544441512001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002151444457) 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, 10509947 + ... + 10604870.

It is an arithmetic number, because the mean of its divisors is an integer number (98975709375).

Almost surely, 21002151444454 is an apocalyptic number.

1002151444454 is a deficient number, since it is larger than the sum of its proper divisors (581459905546).

1002151444454 is a wasteful number, since it uses less digits than its factorization.

1002151444454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21116087.

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 1002151444454 its reverse (4544441512001), we get a palindrome (5546592956455).

The spelling of 1002151444454 in words is "one trillion, two billion, one hundred fifty-one million, four hundred forty-four thousand, four hundred fifty-four".

Divisors: 1 2 19 38 1249 2498 23731 47462 21114817 42229634 401181523 802363046 26372406433 52744812866 501075722227 1002151444454