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4957208377 = 112397201997
BaseRepresentation
bin1001001110111100…
…01111111100111001
3110210110212021111021
410213132033330321
540123021132002
62135522102441
7233562401362
oct44736177471
913713767437
104957208377
112114240030
12b641aaa21
136100284c4
14350522b69
151e0302737
hex12778ff39

4957208377 has 16 divisors (see below), whose sum is σ = 5701191552. Its totient is φ = 4266155520.

The previous prime is 4957208369. The next prime is 4957208383. The reversal of 4957208377 is 7738027594.

It is not a de Polignac number, because 4957208377 - 23 = 4957208369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4957208317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76458 + ... + 125539.

It is an arithmetic number, because the mean of its divisors is an integer number (356324472).

Almost surely, 24957208377 is an apocalyptic number.

It is an amenable number.

4957208377 is a deficient number, since it is larger than the sum of its proper divisors (743983175).

4957208377 is a wasteful number, since it uses less digits than its factorization.

4957208377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202128.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The square root of 4957208377 is about 70407.4454656608. The cubic root of 4957208377 is about 1705.0837873875.

The spelling of 4957208377 in words is "four billion, nine hundred fifty-seven million, two hundred eight thousand, three hundred seventy-seven".

Divisors: 1 11 23 97 253 1067 2231 24541 201997 2221967 4645931 19593709 51105241 215530799 450655307 4957208377