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20314537450 = 252406290749
BaseRepresentation
bin10010111010110101…
…110011110111101010
31221102202101102111221
4102322311303313222
5313101010144300
613155443012254
71316261501464
oct227265636752
957382342457
1020314537450
118685032729
123b2b36a08a
131bb98c567c
14da9da1134
157dd69c31a
hex4bad73dea

20314537450 has 12 divisors (see below), whose sum is σ = 37785039750. Its totient is φ = 8125814960.

The previous prime is 20314537433. The next prime is 20314537469. The reversal of 20314537450 is 5473541302.

It can be written as a sum of positive squares in 3 ways, for example, as 18733123161 + 1581414289 = 136869^2 + 39767^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203145325 + ... + 203145424.

Almost surely, 220314537450 is an apocalyptic number.

20314537450 is a deficient number, since it is larger than the sum of its proper divisors (17470502300).

20314537450 is a wasteful number, since it uses less digits than its factorization.

20314537450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406290761 (or 406290756 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 20314537450 in words is "twenty billion, three hundred fourteen million, five hundred thirty-seven thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 406290749 812581498 2031453745 4062907490 10157268725 20314537450