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10101001693 is a prime number
BaseRepresentation
bin10010110100001000…
…10000110111011101
3222001221211001101211
421122010100313131
5131141324023233
64350151304421
7505212045346
oct113204206735
928057731354
1010101001693
114313830092
121b5a97b111
13c4c8c1ba3
146bb7350cd
153e1bae5cd
hex25a110ddd

10101001693 has 2 divisors, whose sum is σ = 10101001694. Its totient is φ = 10101001692.

The previous prime is 10101001667. The next prime is 10101001717. The reversal of 10101001693 is 39610010101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7628624964 + 2472376729 = 87342^2 + 49723^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101001693 - 225 = 10067447261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101001633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050500846 + 5050500847.

It is an arithmetic number, because the mean of its divisors is an integer number (5050500847).

Almost surely, 210101001693 is an apocalyptic number.

It is an amenable number.

10101001693 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101001693 is an equidigital number, since it uses as much as digits as its factorization.

10101001693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 10101001693 its reverse (39610010101), we get a palindrome (49711011794).

The spelling of 10101001693 in words is "ten billion, one hundred one million, one thousand, six hundred ninety-three".