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202023132101 = 7174447381757
BaseRepresentation
bin1011110000100110000…
…1000101101111000101
3201022110100011102222222
42330021201011233011
511302220410211401
6232450320502125
720411215201220
oct2741141055705
9638410142888
10202023132101
117874a8782aa
12331a117a945
131608750546b
149ac6a7c5b7
1553c5da5c1b
hex2f09845bc5

202023132101 has 16 divisors (see below), whose sum is σ = 244520580096. Its totient is φ = 162939568896.

The previous prime is 202023132089. The next prime is 202023132119. The reversal of 202023132101 is 101231320202.

It is a cyclic number.

It is not a de Polignac number, because 202023132101 - 222 = 202018937797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202023132101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202023132001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338315 + ... + 720071.

It is an arithmetic number, because the mean of its divisors is an integer number (15282536256).

Almost surely, 2202023132101 is an apocalyptic number.

It is an amenable number.

202023132101 is a deficient number, since it is larger than the sum of its proper divisors (42497447995).

202023132101 is a wasteful number, since it uses less digits than its factorization.

202023132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386228.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202023132101 its reverse (101231320202), we get a palindrome (303254452303).

The spelling of 202023132101 in words is "two hundred two billion, twenty-three million, one hundred thirty-two thousand, one hundred one".

Divisors: 1 7 17 119 4447 31129 75599 381757 529193 2672299 6489869 45429083 1697673379 11883713653 28860447443 202023132101