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98786608061 = 577171207293
BaseRepresentation
bin101110000000000100…
…1000000001110111101
3100102222121102122102112
41130000021000032331
53104303332424221
6113214255503405
710065011212451
oct1340011001675
9312877378375
1098786608061
1138993512849
121718b527b65
13941430984b
144ad1c46661
15288295615b
hex17002403bd

98786608061 has 4 divisors (see below), whose sum is σ = 98957815932. Its totient is φ = 98615400192.

The previous prime is 98786608043. The next prime is 98786608079. The reversal of 98786608061 is 16080668789.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (98786608043) and next prime (98786608079).

It can be written as a sum of positive squares in 2 ways, for example, as 72310436836 + 26476171225 = 268906^2 + 162715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-98786608061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98786607061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85603070 + ... + 85604223.

It is an arithmetic number, because the mean of its divisors is an integer number (24739453983).

Almost surely, 298786608061 is an apocalyptic number.

It is an amenable number.

98786608061 is a deficient number, since it is larger than the sum of its proper divisors (171207871).

98786608061 is a wasteful number, since it uses less digits than its factorization.

98786608061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171207870.

The product of its (nonzero) digits is 6967296, while the sum is 59.

The spelling of 98786608061 in words is "ninety-eight billion, seven hundred eighty-six million, six hundred eight thousand, sixty-one".

Divisors: 1 577 171207293 98786608061