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102202234040 = 23517150297403
BaseRepresentation
bin101111100101110111…
…0100101010010111000
3100202210122112102102102
41133023232211102320
53133302232442130
6114541232322532
710245444440624
oct1371356452270
9322718472372
10102202234040
113a386551135
12179833a3448
139839b43bca
144d37720184
1529d2748645
hex17cbba54b8

102202234040 has 32 divisors (see below), whose sum is σ = 243481794480. Its totient is φ = 38476134912.

The previous prime is 102202234021. The next prime is 102202234049. The reversal of 102202234040 is 40432202201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202234049) 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, 75148022 + ... + 75149381.

Almost surely, 2102202234040 is an apocalyptic number.

102202234040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202234040 is an abundant number, since it is smaller than the sum of its proper divisors (141279560440).

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

102202234040 is a wasteful number, since it uses less digits than its factorization.

102202234040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150297431 (or 150297427 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 102202234040 its reverse (40432202201), we get a palindrome (142634436241).

The spelling of 102202234040 in words is "one hundred two billion, two hundred two million, two hundred thirty-four thousand, forty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 150297403 300594806 601189612 751487015 1202379224 1502974030 2555055851 3005948060 5110111702 6011896120 10220223404 12775279255 20440446808 25550558510 51101117020 102202234040