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97970543420 = 22534719977069
BaseRepresentation
bin101101100111101111…
…1111101101100111100
3100100212201212021012012
41123033133331230330
53101120424342140
6113001304430352
710035541610321
oct1331737755474
9310781767165
1097970543420
11386048aa362
1216ba21783b8
139314220869
144a556d8b48
152835ea9265
hex16cf7fdb3c

97970543420 has 48 divisors (see below), whose sum is σ = 206463569760. Its totient is φ = 39050191104.

The previous prime is 97970543413. The next prime is 97970543423. The reversal of 97970543420 is 2434507979.

97970543420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97970543423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13855646 + ... + 13862714.

It is an arithmetic number, because the mean of its divisors is an integer number (4301324370).

Almost surely, 297970543420 is an apocalyptic number.

It is an amenable number.

97970543420 is an abundant number, since it is smaller than the sum of its proper divisors (108493026340).

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

97970543420 is a wasteful number, since it uses less digits than its factorization.

97970543420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422 (or 9420 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 97970543420 in words is "ninety-seven billion, nine hundred seventy million, five hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 347 694 1388 1735 1997 3470 3994 6940 7069 7988 9985 14138 19970 28276 35345 39940 70690 141380 692959 1385918 2452943 2771836 3464795 4905886 6929590 9811772 12264715 13859180 14116793 24529430 28233586 49058860 56467172 70583965 141167930 282335860 4898527171 9797054342 19594108684 24492635855 48985271710 97970543420