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20470741776 = 2432119232
BaseRepresentation
bin10011000100001001…
…101011101100010000
31221211122022102120100
4103010021223230100
5313411002214101
613223143012400
71323166301622
oct230411535420
957748272510
1020470741776
118755222311
123b7373a100
131c13087574
14dc2a22c12
157ec254e86
hex4c426bb10

20470741776 has 45 divisors (see below), whose sum is σ = 57294450759. Its totient is φ = 6823008288.

The previous prime is 20470741747. The next prime is 20470741787. The reversal of 20470741776 is 67714707402.

The square root of 20470741776 is 143076.

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

20470741776 is a `hidden beast` number, since 2 + 0 + 470 + 7 + 4 + 177 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1710951 + ... + 1722873.

Almost surely, 220470741776 is an apocalyptic number.

20470741776 is the 143076-th square number.

It is an amenable number.

20470741776 is an abundant number, since it is smaller than the sum of its proper divisors (36823708983).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20470741776 is an frugal number, since it uses more digits than its factorization.

20470741776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23860 (or 11928 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 45.

The spelling of 20470741776 in words is "twenty billion, four hundred seventy million, seven hundred forty-one thousand, seven hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 11923 23846 35769 47692 71538 95384 107307 143076 190768 214614 286152 429228 572304 858456 1716912 142157929 284315858 426473787 568631716 852947574 1137263432 1279421361 1705895148 2274526864 2558842722 3411790296 5117685444 6823580592 10235370888 20470741776