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71402255190 = 2335737778971
BaseRepresentation
bin100001001111111100…
…1111111001101010110
320211022010221101101000
41002133321333031112
52132212434131230
652445102044130
75105262104130
oct1023771771526
9224263841330
1071402255190
1128310791162
1211a08579646
13696bb05756
143654d54050
151ccd79db60
hex109fe7f356

71402255190 has 64 divisors (see below), whose sum is σ = 217606878720. Its totient is φ = 16320515040.

The previous prime is 71402255147. The next prime is 71402255201. The reversal of 71402255190 is 9155220417.

71402255190 is a `hidden beast` number, since 7 + 14 + 0 + 2 + 2 + 551 + 90 = 666.

It is a super-2 number, since 2×714022551902 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 18887596 + ... + 18891375.

It is an arithmetic number, because the mean of its divisors is an integer number (3400107480).

Almost surely, 271402255190 is an apocalyptic number.

71402255190 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

71402255190 is an abundant number, since it is smaller than the sum of its proper divisors (146204623530).

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

71402255190 is a wasteful number, since it uses less digits than its factorization.

71402255190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37778994 (or 37778988 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 71402255190 in words is "seventy-one billion, four hundred two million, two hundred fifty-five thousand, one hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 105 126 135 189 210 270 315 378 630 945 1890 37778971 75557942 113336913 188894855 226673826 264452797 340010739 377789710 528905594 566684565 680021478 793358391 1020032217 1133369130 1322263985 1586716782 1700053695 2040064434 2380075173 2644527970 3400107390 3966791955 4760150346 5100161085 7140225519 7933583910 10200322170 11900375865 14280451038 23800751730 35701127595 71402255190