Base | Representation |
---|---|
bin | 101111100101001110… |
… | …0110111000011111111 |
3 | 100202202011020000112202 |
4 | 1133022130313003333 |
5 | 3133231241423012 |
6 | 114535145222115 |
7 | 10245064364042 |
oct | 1371234670377 |
9 | 322664200482 |
10 | 102180811007 |
11 | 3a375449750 |
12 | 1797819193b |
13 | 9835582b62 |
14 | 4d34944c59 |
15 | 29d0915cc2 |
hex | 17ca7370ff |
102180811007 has 8 divisors (see below), whose sum is σ = 111476086272. Its totient is φ = 92886554200.
The previous prime is 102180810971. The next prime is 102180811009. The reversal of 102180811007 is 700118081201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 102180811007 - 220 = 102179762431 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 (102180811009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36719 + ... + 453552.
It is an arithmetic number, because the mean of its divisors is an integer number (13934510784).
Almost surely, 2102180811007 is an apocalyptic number.
102180811007 is a deficient number, since it is larger than the sum of its proper divisors (9295275265).
102180811007 is a wasteful number, since it uses less digits than its factorization.
102180811007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 509229.
The product of its (nonzero) digits is 896, while the sum is 29.
Adding to 102180811007 its reverse (700118081201), we get a palindrome (802298892208).
The spelling of 102180811007 in words is "one hundred two billion, one hundred eighty million, eight hundred eleven thousand, seven".
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