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71376719420 = 22531220752163
BaseRepresentation
bin100001001111001100…
…0100100111000111100
320211020100220000212202
41002132120210320330
52132134420010140
652442350451032
75104532050616
oct1023630447074
9224210800782
1071376719420
11282a832a816
12119bbb03a78
136966734726
1436517c7db6
151ccb407915
hex109e624e3c

71376719420 has 48 divisors (see below), whose sum is σ = 154799382528. Its totient is φ = 27616649280.

The previous prime is 71376719413. The next prime is 71376719437. The reversal of 71376719420 is 2491767317.

It is a super-2 number, since 2×713767194202 (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1342259 + ... + 1394421.

It is an arithmetic number, because the mean of its divisors is an integer number (3224987136).

Almost surely, 271376719420 is an apocalyptic number.

It is an amenable number.

71376719420 is an abundant number, since it is smaller than the sum of its proper divisors (83422663108).

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

71376719420 is a wasteful number, since it uses less digits than its factorization.

71376719420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54410 (or 54408 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 71376719420 in words is "seventy-one billion, three hundred seventy-six million, seven hundred nineteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 2207 4414 8828 11035 22070 44140 52163 68417 104326 136834 208652 260815 273668 342085 521630 684170 1043260 1368340 1617053 3234106 6468212 8085265 16170530 32341060 115123741 230247482 460494964 575618705 1151237410 2302474820 3568835971 7137671942 14275343884 17844179855 35688359710 71376719420