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102551411473 = 7171214370969
BaseRepresentation
bin101111110000010001…
…0100101101100010001
3100210200222120110210221
41133200202211230101
53140011130131343
6115040024353041
710260214420630
oct1374042455421
9323628513727
10102551411473
113a545664325
1217a60315781
13989429c884
144d6bc55517
152a0321d5ed
hex17e08a5b11

102551411473 has 16 divisors (see below), whose sum is σ = 124107793920. Its totient is φ = 82722571776.

The previous prime is 102551411461. The next prime is 102551411491. The reversal of 102551411473 is 374114155201.

It is a cyclic number.

It is not a de Polignac number, because 102551411473 - 221 = 102549314321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102551411173) 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 15 ways as a sum of consecutive naturals, for example, 1409533 + ... + 1480501.

It is an arithmetic number, because the mean of its divisors is an integer number (7756737120).

Almost surely, 2102551411473 is an apocalyptic number.

It is an amenable number.

102551411473 is a deficient number, since it is larger than the sum of its proper divisors (21556382447).

102551411473 is a wasteful number, since it uses less digits than its factorization.

102551411473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83136.

The product of its (nonzero) digits is 16800, while the sum is 34.

Adding to 102551411473 its reverse (374114155201), we get a palindrome (476665566674).

The spelling of 102551411473 in words is "one hundred two billion, five hundred fifty-one million, four hundred eleven thousand, four hundred seventy-three".

Divisors: 1 7 17 119 12143 70969 85001 206431 496783 1206473 1445017 8445311 861776567 6032435969 14650201639 102551411473