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202111113001 = 7791753208489
BaseRepresentation
bin1011110000111011000…
…0101101011100101001
3201022200110201100002211
42330032300231130221
511302410421104001
6232503142325121
720413334054260
oct2741660553451
9638613640084
10202111113001
11787954aa696
12332067297a1
131609c7cb375
149ad46215d7
1553cd984351
hex2f0ec2d729

202111113001 has 16 divisors (see below), whose sum is σ = 234042534400. Its totient is φ = 170946816768.

The previous prime is 202111112971. The next prime is 202111113037. The reversal of 202111113001 is 100311111202.

It is a happy number.

It is not a de Polignac number, because 202111113001 - 27 = 202111112873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202111113041) 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, 865165 + ... + 1073653.

It is an arithmetic number, because the mean of its divisors is an integer number (14627658400).

Almost surely, 2202111113001 is an apocalyptic number.

It is an amenable number.

202111113001 is a deficient number, since it is larger than the sum of its proper divisors (31931421399).

202111113001 is a wasteful number, since it uses less digits than its factorization.

202111113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210328.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 202111113001 its reverse (100311111202), we get a palindrome (302422224203).

The spelling of 202111113001 in words is "two hundred two billion, one hundred eleven million, one hundred thirteen thousand, one".

Divisors: 1 7 79 553 1753 12271 138487 208489 969409 1459423 16470631 115294417 365481217 2558368519 28873016143 202111113001