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202001210010010 = 2531118964912709
BaseRepresentation
bin101101111011100000010010…
…010111011110100110011010
3222111020010102122022210020001
4231323200102113132212122
5202434041434230310020
61553342024053123214
760356051202611545
oct5573402227364632
9874203378283201
10202001210010010
1159400260987604
121a7a523062950a
13889382b4109b8
1437c4ca708b85c
1518547ad3d350a
hexb7b8125de99a

202001210010010 has 16 divisors (see below), whose sum is σ = 363603352048200. Its totient is φ = 80800223108416.

The previous prime is 202001210010007. The next prime is 202001210010011. The reversal of 202001210010010 is 10010012100202.

It can be written as a sum of positive squares in 4 ways, for example, as 131612818341169 + 70388391668841 = 11472263^2 + 8389779^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (202001210010011) 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, 29344465 + ... + 35568244.

Almost surely, 2202001210010010 is an apocalyptic number.

202001210010010 is a deficient number, since it is larger than the sum of its proper divisors (161602142038190).

202001210010010 is a wasteful number, since it uses less digits than its factorization.

202001210010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65223905.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 202001210010010 its reverse (10010012100202), we get a palindrome (212011222110212).

The spelling of 202001210010010 in words is "two hundred two trillion, one billion, two hundred ten million, ten thousand, ten".

Divisors: 1 2 5 10 311189 622378 1555945 3111890 64912709 129825418 324563545 649127090 20200121001001 40400242002002 101000605005005 202001210010010