Search a number
-
+
2049811082488 = 2313127155194661
BaseRepresentation
bin11101110101000010010…
…000101110110011111000
321020221220212012000111001
4131311002100232303320
5232041003114114423
64205400433214344
7301044141501631
oct35650220566370
97227825160431
102049811082488
11720357a10364
122913257013b4
1311b3b112a290
14712d6084888
15384c0ea6cad
hex1dd4242ecf8

2049811082488 has 32 divisors (see below), whose sum is σ = 4171632514560. Its totient is φ = 938617303680.

The previous prime is 2049811082411. The next prime is 2049811082489. The reversal of 2049811082488 is 8842801189402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049811082489) 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, 77584123 + ... + 77610538.

It is an arithmetic number, because the mean of its divisors is an integer number (130363516080).

Almost surely, 22049811082488 is an apocalyptic number.

It is an amenable number.

2049811082488 is an abundant number, since it is smaller than the sum of its proper divisors (2121821432072).

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

2049811082488 is a wasteful number, since it uses less digits than its factorization.

2049811082488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155194807 (or 155194803 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 55.

The spelling of 2049811082488 in words is "two trillion, forty-nine billion, eight hundred eleven million, eighty-two thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 127 254 508 1016 1651 3302 6604 13208 155194661 310389322 620778644 1241557288 2017530593 4035061186 8070122372 16140244744 19709721947 39419443894 78838887788 157677775576 256226385311 512452770622 1024905541244 2049811082488