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202131020103 = 3104964229749
BaseRepresentation
bin1011110000111111110…
…0101001100101000111
3201022201212011201111220
42330033330221211013
511302431020120403
6232505133131423
720413665215415
oct2741774514507
9638655151456
10202131020103
11787a5767141
1233211329b73
13160a397b40c
149ad71242b5
1553d05b7953
hex2f0ff29947

202131020103 has 8 divisors (see below), whose sum is σ = 269764950000. Its totient is φ = 134625551808.

The previous prime is 202131020029. The next prime is 202131020107. The reversal of 202131020103 is 301020131202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-202131020103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202131020107) 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, 32111728 + ... + 32118021.

It is an arithmetic number, because the mean of its divisors is an integer number (33720618750).

Almost surely, 2202131020103 is an apocalyptic number.

202131020103 is a deficient number, since it is larger than the sum of its proper divisors (67633929897).

202131020103 is a wasteful number, since it uses less digits than its factorization.

202131020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64230801.

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

Adding to 202131020103 its reverse (301020131202), we get a palindrome (503151151305).

The spelling of 202131020103 in words is "two hundred two billion, one hundred thirty-one million, twenty thousand, one hundred three".

Divisors: 1 3 1049 3147 64229749 192689247 67377006701 202131020103