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20472713703 = 32134331313001
BaseRepresentation
bin10011000100010001…
…001101000111100111
31221211210000121112200
4103010101031013213
5313412003314303
613223253145543
71323222123651
oct230421150747
957753017480
1020472713703
118756349902
123b7432b2b3
131c135c7ca0
14dc2db76d1
157ec4e43a3
hex4c444d1e7

20472713703 has 48 divisors (see below), whose sum is σ = 32693685024. Its totient is φ = 12265344000.

The previous prime is 20472713671. The next prime is 20472713713. The reversal of 20472713703 is 30731727402.

It is a happy number.

It is not a de Polignac number, because 20472713703 - 25 = 20472713671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20472713713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1568203 + ... + 1581203.

It is an arithmetic number, because the mean of its divisors is an integer number (681118438).

Almost surely, 220472713703 is an apocalyptic number.

20472713703 is a deficient number, since it is larger than the sum of its proper divisors (12220971321).

20472713703 is a wasteful number, since it uses less digits than its factorization.

20472713703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13376 (or 13373 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The spelling of 20472713703 in words is "twenty billion, four hundred seventy-two million, seven hundred thirteen thousand, seven hundred three".

Divisors: 1 3 9 13 39 43 117 129 313 387 559 939 1677 2817 4069 5031 12207 13001 13459 36621 39003 40377 117009 121131 169013 174967 507039 524901 559043 1521117 1574703 1677129 4069313 5031387 7267559 12207939 21802677 36623817 52901069 65408031 158703207 174980459 476109621 524941377 1574824131 2274745967 6824237901 20472713703