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91426608151 is a prime number
BaseRepresentation
bin101010100100101110…
…0110101010000010111
322201222200021220121021
41111021130311100113
52444220202430101
6110000101302011
76414431226664
oct1251134652027
9281880256537
1091426608151
1135856a3399a
1215876704907
138810558c08
1445d4578a6b
1525a172a5a1
hex1549735417

91426608151 has 2 divisors, whose sum is σ = 91426608152. Its totient is φ = 91426608150.

The previous prime is 91426608061. The next prime is 91426608157. The reversal of 91426608151 is 15180662419.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91426608151 - 27 = 91426608023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91426608098 and 91426608107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91426608157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45713304075 + 45713304076.

It is an arithmetic number, because the mean of its divisors is an integer number (45713304076).

Almost surely, 291426608151 is an apocalyptic number.

91426608151 is a deficient number, since it is larger than the sum of its proper divisors (1).

91426608151 is an equidigital number, since it uses as much as digits as its factorization.

91426608151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 91426608151 in words is "ninety-one billion, four hundred twenty-six million, six hundred eight thousand, one hundred fifty-one".