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202331100401 = 9710861192053
BaseRepresentation
bin1011110001101111011…
…1111001010011110001
3201100020210122212002022
42330123313321103301
511303333230203101
6232541041401225
720421644656043
oct2743367712361
9640223585068
10202331100401
11788986a4461
1233268339215
1316106263121
149b15927a93
1553e2e3aa1b
hex2f1bdf94f1

202331100401 has 8 divisors (see below), whose sum is σ = 204436873704. Its totient is φ = 200225733120.

The previous prime is 202331100379. The next prime is 202331100407. The reversal of 202331100401 is 104001133202.

It can be written as a sum of positive squares in 4 ways, for example, as 2321794225 + 200009306176 = 48185^2 + 447224^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-202331100401 is a prime.

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 202331100401.

It is not an unprimeable number, because it can be changed into a prime (202331100407) 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, 957491 + ... + 1149543.

It is an arithmetic number, because the mean of its divisors is an integer number (25554609213).

Almost surely, 2202331100401 is an apocalyptic number.

It is an amenable number.

202331100401 is a deficient number, since it is larger than the sum of its proper divisors (2105773303).

202331100401 is a wasteful number, since it uses less digits than its factorization.

202331100401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203011.

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

Adding to 202331100401 its reverse (104001133202), we get a palindrome (306332233603).

The spelling of 202331100401 in words is "two hundred two billion, three hundred thirty-one million, one hundred thousand, four hundred one".

Divisors: 1 97 10861 192053 1053517 18629141 2085887633 202331100401