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30716555551 = 1126167179347
BaseRepresentation
bin11100100110110110…
…010111000100011111
32221021200121200210121
4130212312113010133
51000401414234201
622035550215411
72135120262043
oct344666270437
987250550717
1030716555551
1112032770900
125b52ab4567
132b8697cb76
1416b5692023
15beb9bb9a1
hex726d9711f

30716555551 has 48 divisors (see below), whose sum is σ = 35124001920. Its totient is φ = 26827732800.

The previous prime is 30716555531. The next prime is 30716555563. The reversal of 30716555551 is 15555561703.

It is not a de Polignac number, because 30716555551 - 219 = 30716031263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30716555498 and 30716555507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30716555531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88520160 + ... + 88520506.

It is an arithmetic number, because the mean of its divisors is an integer number (731750040).

Almost surely, 230716555551 is an apocalyptic number.

30716555551 is a deficient number, since it is larger than the sum of its proper divisors (4407446369).

30716555551 is a wasteful number, since it uses less digits than its factorization.

30716555551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 393750, while the sum is 43.

The spelling of 30716555551 in words is "thirty billion, seven hundred sixteen million, five hundred fifty-five thousand, five hundred fifty-one".

Divisors: 1 11 61 67 121 179 347 671 737 1969 3817 4087 7381 8107 10919 11993 21167 21659 23249 41987 44957 62113 120109 131923 232837 255739 494527 683243 731573 1321199 1418189 1451153 2561207 2813129 3788893 4161571 7515673 8047303 15600079 41677823 45777281 88520333 171600869 253855831 458456053 503550091 2792414141 30716555551