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102180811007 = 1118947490271
BaseRepresentation
bin101111100101001110…
…0110111000011111111
3100202202011020000112202
41133022130313003333
53133231241423012
6114535145222115
710245064364042
oct1371234670377
9322664200482
10102180811007
113a375449750
121797819193b
139835582b62
144d34944c59
1529d0915cc2
hex17ca7370ff

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".

Divisors: 1 11 18947 208417 490271 5392981 9289164637 102180811007