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101660528061 = 334387562901
BaseRepresentation
bin101111010101101110…
…0001000110110111101
3100201101220012220112000
41132223130020312331
53131200043344221
6114411401532513
710226146142121
oct1365334106675
9321356186460
10101660528061
113a128799444
1217851aa4139
139781848921
144cc57cd581
15299ede2e26
hex17ab708dbd

101660528061 has 16 divisors (see below), whose sum is σ = 154110707520. Its totient is φ = 66197552400.

The previous prime is 101660528017. The next prime is 101660528077. The reversal of 101660528061 is 160825066101.

101660528061 is a `hidden beast` number, since 1 + 0 + 16 + 60 + 528 + 0 + 61 = 666.

It is not a de Polignac number, because 101660528061 - 211 = 101660526013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101660528861) 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, 43780290 + ... + 43782611.

It is an arithmetic number, because the mean of its divisors is an integer number (9631919220).

Almost surely, 2101660528061 is an apocalyptic number.

It is an amenable number.

101660528061 is a deficient number, since it is larger than the sum of its proper divisors (52450179459).

101660528061 is an equidigital number, since it uses as much as digits as its factorization.

101660528061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87562953 (or 87562947 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 101660528061 in words is "one hundred one billion, six hundred sixty million, five hundred twenty-eight thousand, sixty-one".

Divisors: 1 3 9 27 43 129 387 1161 87562901 262688703 788066109 2364198327 3765204743 11295614229 33886842687 101660528061