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102017170740 = 22351700286179
BaseRepresentation
bin101111100000010110…
…0100111110100110100
3100202022202022020022010
41133000230213310310
53132412343430430
6114511022004220
710241036433522
oct1370054476464
9322282266263
10102017170740
113a2a1040361
1217931416670
13980a6b94b4
144d1ad09312
1529c138ecb0
hex17c0b27d34

102017170740 has 24 divisors (see below), whose sum is σ = 285648078240. Its totient is φ = 27204578848.

The previous prime is 102017170733. The next prime is 102017170753. The reversal of 102017170740 is 47071710201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 102017170698 and 102017170707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 850143030 + ... + 850143149.

It is an arithmetic number, because the mean of its divisors is an integer number (11902003260).

Almost surely, 2102017170740 is an apocalyptic number.

102017170740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102017170740 is an abundant number, since it is smaller than the sum of its proper divisors (183630907500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102017170740 is a wasteful number, since it uses less digits than its factorization.

102017170740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700286191 (or 1700286189 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 30.

Adding to 102017170740 its reverse (47071710201), we get a palindrome (149088880941).

The spelling of 102017170740 in words is "one hundred two billion, seventeen million, one hundred seventy thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1700286179 3400572358 5100858537 6801144716 8501430895 10201717074 17002861790 20403434148 25504292685 34005723580 51008585370 102017170740