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472231666474 = 21773190262557
BaseRepresentation
bin1101101111100110011…
…00110110001100101010
31200010220122012012202021
412313303030312030222
530214112301311344
61000535031255054
746055224635631
oct6676314661452
91603818165667
10472231666474
111722aa512527
127763151a48a
13356ba2239a9
1418bdb33a518
15c43cdcdb84
hex6df333632a

472231666474 has 16 divisors (see below), whose sum is σ = 760289181768. Its totient is φ = 219182464512.

The previous prime is 472231666463. The next prime is 472231666493. The reversal of 472231666474 is 474666132274.

It can be written as a sum of positive squares in 4 ways, for example, as 326389403025 + 145842263449 = 571305^2 + 381893^2 .

It is a super-2 number, since 2×4722316664742 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95128797 + ... + 95133760.

Almost surely, 2472231666474 is an apocalyptic number.

472231666474 is a deficient number, since it is larger than the sum of its proper divisors (288057515294).

472231666474 is a wasteful number, since it uses less digits than its factorization.

472231666474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190262649.

The product of its digits is 8128512, while the sum is 52.

The spelling of 472231666474 in words is "four hundred seventy-two billion, two hundred thirty-one million, six hundred sixty-six thousand, four hundred seventy-four".

Divisors: 1 2 17 34 73 146 1241 2482 190262557 380525114 3234463469 6468926938 13889166661 27778333322 236115833237 472231666474