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102443611492 = 22173871916979
BaseRepresentation
bin101111101101000011…
…1010111010101100100
3100210102110201200001001
41133122013113111210
53134301031031432
6115021214043044
710254435221155
oct1373207272544
9323373650031
10102443611492
113a49a825632
1217a301a9484
139877b579c1
144d5b7d392c
1529e8a279e7
hex17da1d7564

102443611492 has 24 divisors (see below), whose sum is σ = 180343900800. Its totient is φ = 50916886176.

The previous prime is 102443611489. The next prime is 102443611493. The reversal of 102443611492 is 294116344201.

It is not an unprimeable number, because it can be changed into a prime (102443611493) 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, 6025059 + ... + 6042037.

It is an arithmetic number, because the mean of its divisors is an integer number (7514329200).

Almost surely, 2102443611492 is an apocalyptic number.

It is an amenable number.

102443611492 is a deficient number, since it is larger than the sum of its proper divisors (77900289308).

102443611492 is a wasteful number, since it uses less digits than its factorization.

102443611492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25875 (or 25873 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

Adding to 102443611492 its reverse (294116344201), we get a palindrome (396559955693).

The spelling of 102443611492 in words is "one hundred two billion, four hundred forty-three million, six hundred eleven thousand, four hundred ninety-two".

Divisors: 1 2 4 173 346 692 8719 16979 17438 33958 34876 67916 1508387 2937367 3016774 5874734 6033548 11749468 148039901 296079802 592159604 25610902873 51221805746 102443611492