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71201450896 = 2419235112
BaseRepresentation
bin100001001001111101…
…1111110101110010000
320210210011002110122221
41002103323332232100
52131310032412041
652413130110424
75100303226642
oct1022373765620
9223704073587
1071201450896
11282183a99a4
121197127b414
136939329344
143636402892
151cbad362d1
hex1093efeb90

71201450896 has 45 divisors (see below), whose sum is σ = 145637106363. Its totient is φ = 33717396960.

The previous prime is 71201450867. The next prime is 71201450899. The reversal of 71201450896 is 69805410217.

The square root of 71201450896 is 266836.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71201450899) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20277781 + ... + 20281291.

Almost surely, 271201450896 is an apocalyptic number.

71201450896 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

71201450896 is the 266836-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71201450896

71201450896 is an abundant number, since it is smaller than the sum of its proper divisors (74435655467).

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

71201450896 is an frugal number, since it uses more digits than its factorization.

71201450896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7068 (or 3532 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 71201450896 in words is "seventy-one billion, two hundred one million, four hundred fifty thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 19 38 76 152 304 361 722 1444 2888 3511 5776 7022 14044 28088 56176 66709 133418 266836 533672 1067344 1267471 2534942 5069884 10139768 12327121 20279536 24654242 49308484 98616968 197233936 234215299 468430598 936861196 1873722392 3747444784 4450090681 8900181362 17800362724 35600725448 71201450896