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4780881780845 = 514929327897853
BaseRepresentation
bin100010110010010001011…
…0000101010000001101101
3121221001021212112021120212
41011210202300222001231
51111312221213441340
614100150132352205
71002256464425642
oct105444260520155
917831255467525
104780881780845
111583619145345
12652697775665
13288ab1c851a1
14127578555dc9
1584565b5ea65
hex45922c2a06d

4780881780845 has 32 divisors (see below), whose sum is σ = 5798089836000. Its totient is φ = 3784230820864.

The previous prime is 4780881780839. The next prime is 4780881780937. The reversal of 4780881780845 is 5480871880874.

It can be written as a sum of positive squares in 16 ways, for example, as 1806212354116 + 2974669426729 = 1343954^2 + 1724723^2 .

It is a cyclic number.

It is not a de Polignac number, because 4780881780845 - 218 = 4780881518701 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 608792939 + ... + 608800791.

It is an arithmetic number, because the mean of its divisors is an integer number (181190307375).

Almost surely, 24780881780845 is an apocalyptic number.

It is an amenable number.

4780881780845 is a deficient number, since it is larger than the sum of its proper divisors (1017208055155).

4780881780845 is a wasteful number, since it uses less digits than its factorization.

4780881780845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089.

The product of its (nonzero) digits is 128450560, while the sum is 68.

The spelling of 4780881780845 in words is "four trillion, seven hundred eighty billion, eight hundred eighty-one million, seven hundred eighty thousand, eight hundred forty-five".

Divisors: 1 5 149 293 745 1465 2789 7853 13945 39265 43657 218285 415561 817177 1170097 2077805 2300929 4085885 5850485 11504645 21902017 109510085 121759373 342838421 608796865 1714192105 3263400533 6417290981 16317002665 32086454905 956176356169 4780881780845