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BaseRepresentation
bin10110110000100001011110…
…111001110011010011110101
3111010101122200102200002011021
4112300201132321303103311
5101104344403034423121
6552513223245141141
730040241633022535
oct2660413671632365
9433348612602137
10100091510076661
112998a631070204
12b2864a425a7b1
1343b0786a77bbc
141aa06524b74c5
15b889234d6641
hex5b085ee734f5

100091510076661 has 2 divisors, whose sum is σ = 100091510076662. Its totient is φ = 100091510076660.

The previous prime is 100091510076617. The next prime is 100091510076683. The reversal of 100091510076661 is 166670015190001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95010227687761 + 5081282388900 = 9747319^2 + 2254170^2 .

It is an emirp because it is prime and its reverse (166670015190001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100091510076661 - 225 = 100091476522229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100091510076461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50045755038330 + 50045755038331.

It is an arithmetic number, because the mean of its divisors is an integer number (50045755038331).

Almost surely, 2100091510076661 is an apocalyptic number.

It is an amenable number.

100091510076661 is a deficient number, since it is larger than the sum of its proper divisors (1).

100091510076661 is an equidigital number, since it uses as much as digits as its factorization.

100091510076661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 100091510076661 in words is "one hundred trillion, ninety-one billion, five hundred ten million, seventy-six thousand, six hundred sixty-one".