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210131042050 = 25214928205509
BaseRepresentation
bin1100001110110011001…
…0010011111100000010
3202002101101121221112001
43003230302103330002
511420322021321200
6240311033254214
721116146246516
oct3035462237402
9662341557461
10210131042050
118113054a026
123488456436a
1316a7a1cb507
14a2557d6146
1556ecab976a
hex30ecc93f02

210131042050 has 24 divisors (see below), whose sum is σ = 393466864500. Its totient is φ = 83488303680.

The previous prime is 210131042039. The next prime is 210131042063. The reversal of 210131042050 is 50240131012.

It can be written as a sum of positive squares in 6 ways, for example, as 108114043249 + 102016998801 = 328807^2 + 319401^2 .

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, 14095305 + ... + 14110204.

Almost surely, 2210131042050 is an apocalyptic number.

210131042050 is a deficient number, since it is larger than the sum of its proper divisors (183335822450).

210131042050 is a wasteful number, since it uses less digits than its factorization.

210131042050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28205670 (or 28205665 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 210131042050 its reverse (50240131012), we get a palindrome (260371173062).

The spelling of 210131042050 in words is "two hundred ten billion, one hundred thirty-one million, forty-two thousand, fifty".

Divisors: 1 2 5 10 25 50 149 298 745 1490 3725 7450 28205509 56411018 141027545 282055090 705137725 1410275450 4202620841 8405241682 21013104205 42026208410 105065521025 210131042050