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71893785601 = 1159791402231
BaseRepresentation
bin100001011110100110…
…1000001110000000001
320212120101211201100001
41002331031001300001
52134214302114401
653005541200001
75123411044321
oct1027515016001
9225511751301
1071893785601
1128543193240
1211b25100001
136a198b3751
1436a0343281
151d0b9e2601
hex10bd341c01

71893785601 has 16 divisors (see below), whose sum is σ = 80768563200. Its totient is φ = 63436885200.

The previous prime is 71893785599. The next prime is 71893785661. The reversal of 71893785601 is 10658739817.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71893785601 - 21 = 71893785599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71893785661) 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, 649845 + ... + 752386.

It is an arithmetic number, because the mean of its divisors is an integer number (5048035200).

Almost surely, 271893785601 is an apocalyptic number.

It is an amenable number.

71893785601 is a deficient number, since it is larger than the sum of its proper divisors (8874777599).

71893785601 is a wasteful number, since it uses less digits than its factorization.

71893785601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402380.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 71893785601 in words is "seventy-one billion, eight hundred ninety-three million, seven hundred eighty-five thousand, six hundred one".

Divisors: 1 11 59 79 649 869 4661 51271 1402231 15424541 82731629 110776249 910047919 1218538739 6535798691 71893785601