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102322312443 = 3213874549679
BaseRepresentation
bin101111101001011100…
…0101001010011111011
3100210010000111001000200
41133102320221103323
53134024002444233
6115001202133243
710251433206501
oct1372270512373
9323100431020
10102322312443
113a43830688a
12179b7651223
139858997710
144d4965a671
1529dd067313
hex17d2e294fb

102322312443 has 12 divisors (see below), whose sum is σ = 159168041760. Its totient is φ = 62967576816.

The previous prime is 102322312409. The next prime is 102322312459. The reversal of 102322312443 is 344213223201.

It is not a de Polignac number, because 102322312443 - 28 = 102322312187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102322312483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437274723 + ... + 437274956.

It is an arithmetic number, because the mean of its divisors is an integer number (13264003480).

Almost surely, 2102322312443 is an apocalyptic number.

102322312443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102322312443 is a deficient number, since it is larger than the sum of its proper divisors (56845729317).

102322312443 is a wasteful number, since it uses less digits than its factorization.

102322312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874549698 (or 874549695 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 102322312443 its reverse (344213223201), we get a palindrome (446535535644).

The spelling of 102322312443 in words is "one hundred two billion, three hundred twenty-two million, three hundred twelve thousand, four hundred forty-three".

Divisors: 1 3 9 13 39 117 874549679 2623649037 7870947111 11369145827 34107437481 102322312443