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101655414869761 = 100824312
BaseRepresentation
bin10111000111010001111110…
…111001001000111100000001
3111022221011101122110001202201
4113013101332321020330001
5101311010242201313021
61000111504120313201
730261234642312334
oct2707217671107401
9438834348401681
10101655414869761
112a4329015a7495
12b499600912801
1344950ab8b713c
141b1621104661b
15bb4455cee591
hex5c747ee48f01

101655414869761 has 3 divisors (see below), whose sum is σ = 101655424952193. Its totient is φ = 101655404787330.

The previous prime is 101655414869747. The next prime is 101655414869791. The reversal of 101655414869761 is 167968414556101.

The square root of 101655414869761 is 10082431.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 101655414869761 - 29 = 101655414869249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101655414869693 and 101655414869702.

It is not an unprimeable number, because it can be changed into a prime (101655414869791) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5041216 + ... + 15123646.

It is an arithmetic number, because the mean of its divisors is an integer number (33885141650731).

Almost surely, 2101655414869761 is an apocalyptic number.

101655414869761 is the 10082431-st square number.

101655414869761 is the 5041216-th centered octagonal number.

It is an amenable number.

101655414869761 is a deficient number, since it is larger than the sum of its proper divisors (10082432).

101655414869761 is an frugal number, since it uses more digits than its factorization.

101655414869761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20164862 (or 10082431 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 64.

The spelling of 101655414869761 in words is "one hundred one trillion, six hundred fifty-five billion, four hundred fourteen million, eight hundred sixty-nine thousand, seven hundred sixty-one".

Divisors: 1 10082431 101655414869761