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82303038557 = 4611381129277
BaseRepresentation
bin100110010100110100…
…1001011010001011101
321212102211200112222022
41030221221023101131
52322024034213212
6101450503425525
75642355166505
oct1145151132135
9255384615868
1082303038557
11319a4a13033
1213b4b1552a5
1379b830201c
143daa998a05
15221a790772
hex1329a4b45d

82303038557 has 8 divisors (see below), whose sum is σ = 82541934552. Its totient is φ = 82064404800.

The previous prime is 82303038547. The next prime is 82303038569. The reversal of 82303038557 is 75583030328.

It can be written as a sum of positive squares in 4 ways, for example, as 9581668996 + 72721369561 = 97886^2 + 269669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82303038557 - 24 = 82303038541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82303038547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572003 + ... + 701279.

It is an arithmetic number, because the mean of its divisors is an integer number (10317741819).

Almost surely, 282303038557 is an apocalyptic number.

It is an amenable number.

82303038557 is a deficient number, since it is larger than the sum of its proper divisors (238895995).

82303038557 is a wasteful number, since it uses less digits than its factorization.

82303038557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131119.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 82303038557 in words is "eighty-two billion, three hundred three million, thirty-eight thousand, five hundred fifty-seven".

Divisors: 1 461 1381 129277 636641 59596697 178531537 82303038557