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202031210130 = 23524977269623
BaseRepresentation
bin1011110000100111111…
…1111001111010010010
3201022110220100211222020
42330021333321322102
511302224442211010
6232451205552310
720411343644301
oct2741177717222
9638426324866
10202031210130
1178754395462
12331a3a15696
13160890a3269
149ac7b82438
1553c694e470
hex2f09ff9e92

202031210130 has 32 divisors (see below), whose sum is σ = 484896115584. Its totient is φ = 53872632576.

The previous prime is 202031210113. The next prime is 202031210197. The reversal of 202031210130 is 31012130202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 614499 + ... + 884121.

It is an arithmetic number, because the mean of its divisors is an integer number (15153003612).

Almost surely, 2202031210130 is an apocalyptic number.

202031210130 is an abundant number, since it is smaller than the sum of its proper divisors (282864905454).

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

202031210130 is a wasteful number, since it uses less digits than its factorization.

202031210130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294610.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 202031210130 its reverse (31012130202), we get a palindrome (233043340332).

The spelling of 202031210130 in words is "two hundred two billion, thirty-one million, two hundred ten thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 24977 49954 74931 124885 149862 249770 269623 374655 539246 749310 808869 1348115 1617738 2696230 4044345 8088690 6734373671 13468747342 20203121013 33671868355 40406242026 67343736710 101015605065 202031210130