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677420038813 = 74356311533467
BaseRepresentation
bin10011101101110010110…
…00010111101010011101
32101202112120022112002011
421312321120113222131
542044324012220223
61235111422231221
766641046215620
oct11667130275235
92352476275064
10677420038813
11241323a51651
12ab356725511
134bb5a41736b
1424b04515db7
151294bab880d
hex9db9617a9d

677420038813 has 32 divisors (see below), whose sum is σ = 794523350016. Its totient is φ = 565480839168.

The previous prime is 677420038793. The next prime is 677420038829. The reversal of 677420038813 is 318830024776.

It is a happy number.

It is not a de Polignac number, because 677420038813 - 25 = 677420038781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677420438813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195389106 + ... + 195392572.

It is an arithmetic number, because the mean of its divisors is an integer number (24828854688).

Almost surely, 2677420038813 is an apocalyptic number.

It is an amenable number.

677420038813 is a deficient number, since it is larger than the sum of its proper divisors (117103311203).

677420038813 is a wasteful number, since it uses less digits than its factorization.

677420038813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 677420038813 in words is "six hundred seventy-seven billion, four hundred twenty million, thirty-eight thousand, eight hundred thirteen".

Divisors: 1 7 43 301 563 1153 3467 3941 8071 24209 24269 49579 149081 169463 347053 649139 1043567 1951921 3997451 4543973 13663447 27912977 27982157 83932603 171890393 195390839 587528221 1203232751 2250564913 15753954391 96774291259 677420038813