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71677988430 = 2352389266281
BaseRepresentation
bin100001011000001010…
…1110100111001001110
320212000100210002021020
41002300111310321032
52133244031112210
652532312015010
75115150564126
oct1026025647116
9225010702236
1071677988430
11284423a0674
1211a84991466
1369b3c88009
14367d80bc86
151ce7ab7770
hex10b0574e4e

71677988430 has 16 divisors (see below), whose sum is σ = 172027172304. Its totient is φ = 19114130240.

The previous prime is 71677988407. The next prime is 71677988449. The reversal of 71677988430 is 3488977617.

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 7 ways as a sum of consecutive naturals, for example, 1194633111 + ... + 1194633170.

It is an arithmetic number, because the mean of its divisors is an integer number (10751698269).

Almost surely, 271677988430 is an apocalyptic number.

71677988430 is an abundant number, since it is smaller than the sum of its proper divisors (100349183874).

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

71677988430 is a wasteful number, since it uses less digits than its factorization.

71677988430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389266291.

The product of its (nonzero) digits is 14224896, while the sum is 60.

The spelling of 71677988430 in words is "seventy-one billion, six hundred seventy-seven million, nine hundred eighty-eight thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2389266281 4778532562 7167798843 11946331405 14335597686 23892662810 35838994215 71677988430