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102149087297 = 1740471148471
BaseRepresentation
bin101111100100010001…
…1110110000001000001
3100202122221112021210112
41133020203312001001
53133200131243142
6114532053241105
710244230626065
oct1371043660101
9322587467715
10102149087297
113a359551204
1217969633195
13982bb2642a
144d30647aa5
1529ccc4b382
hex17c88f6041

102149087297 has 8 divisors (see below), whose sum is σ = 108161258112. Its totient is φ = 96137294400.

The previous prime is 102149087279. The next prime is 102149087311. The reversal of 102149087297 is 792780941201.

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 102149087297 - 220 = 102148038721 is a prime.

It is a super-2 number, since 2×1021490872972 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102149087897) 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, 613772 + ... + 762242.

It is an arithmetic number, because the mean of its divisors is an integer number (13520157264).

Almost surely, 2102149087297 is an apocalyptic number.

102149087297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

102149087297 is a deficient number, since it is larger than the sum of its proper divisors (6012170815).

102149087297 is a wasteful number, since it uses less digits than its factorization.

102149087297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188959.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 102149087297 in words is "one hundred two billion, one hundred forty-nine million, eighty-seven thousand, two hundred ninety-seven".

Divisors: 1 17 40471 148471 688007 2524007 6008769841 102149087297