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101024143020 = 22325561245239
BaseRepresentation
bin101111000010110000…
…0100001011010101100
3100122202112202012100200
41132011200201122230
53123344140034040
6114224305553500
710204321022133
oct1360540413254
9318675665320
10101024143020
1139931549999
12176b4945890
1396aca50a28
144c6509491a
1529640d9630
hex17858216ac

101024143020 has 36 divisors (see below), whose sum is σ = 306439901040. Its totient is φ = 26939771424.

The previous prime is 101024143019. The next prime is 101024143079. The reversal of 101024143020 is 20341420101.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101024142984 and 101024143002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280622440 + ... + 280622799.

Almost surely, 2101024143020 is an apocalyptic number.

101024143020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101024143020 is an abundant number, since it is smaller than the sum of its proper divisors (205415758020).

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

101024143020 is a wasteful number, since it uses less digits than its factorization.

101024143020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561245254 (or 561245249 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101024143020 its reverse (20341420101), we get a palindrome (121365563121).

The spelling of 101024143020 in words is "one hundred one billion, twenty-four million, one hundred forty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 561245239 1122490478 1683735717 2244980956 2806226195 3367471434 5051207151 5612452390 6734942868 8418678585 10102414302 11224904780 16837357170 20204828604 25256035755 33674714340 50512071510 101024143020