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97988468361 = 3779127465077
BaseRepresentation
bin101101101000010010…
…0010101111010001001
3100100220222120221120220
41123100210111322021
53101140021441421
6113003144540253
710036150144530
oct1332044257211
9310828527526
1097988468361
1138613a32663
1216ba8181689
139317b58634
144a57c43317
15283784a3c6
hex16d0915e89

97988468361 has 32 divisors (see below), whose sum is σ = 152396759040. Its totient is φ = 54849203136.

The previous prime is 97988468353. The next prime is 97988468381. The reversal of 97988468361 is 16386488979.

It is not a de Polignac number, because 97988468361 - 23 = 97988468353 is a prime.

It is a super-3 number, since 3×979884683613 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (97988468321) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 21846 + ... + 443231.

It is an arithmetic number, because the mean of its divisors is an integer number (4762398720).

Almost surely, 297988468361 is an apocalyptic number.

It is an amenable number.

97988468361 is a deficient number, since it is larger than the sum of its proper divisors (54408290679).

97988468361 is a wasteful number, since it uses less digits than its factorization.

97988468361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465293.

The product of its digits is 125411328, while the sum is 69.

The spelling of 97988468361 in words is "ninety-seven billion, nine hundred eighty-eight million, four hundred sixty-eight thousand, three hundred sixty-one".

Divisors: 1 3 7 21 79 127 237 381 553 889 1659 2667 10033 30099 70231 210693 465077 1395231 3255539 9766617 36741083 59064779 110223249 177194337 257187581 413453453 771562743 1240360359 4666117541 13998352623 32662822787 97988468361