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5454631986 = 231947847649
BaseRepresentation
bin1010001010001111…
…10001010000110010
3112002010212000101220
411011013301100302
542132341210421
62301131405510
7252112415106
oct50507612062
915063760356
105454631986
112349aa7821
1210828b3896
1368c0ba9bb
1439a607906
1521dd0c3c6
hex1451f1432

5454631986 has 16 divisors (see below), whose sum is σ = 11483436000. Its totient is φ = 1722515328.

The previous prime is 5454631981. The next prime is 5454631991. The reversal of 5454631986 is 6891364545.

It is an interprime number because it is at equal distance from previous prime (5454631981) and next prime (5454631991).

It is not an unprimeable number, because it can be changed into a prime (5454631981) 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, 23923711 + ... + 23923938.

It is an arithmetic number, because the mean of its divisors is an integer number (717714750).

Almost surely, 25454631986 is an apocalyptic number.

5454631986 is an abundant number, since it is smaller than the sum of its proper divisors (6028804014).

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

5454631986 is a wasteful number, since it uses less digits than its factorization.

5454631986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47847673.

The product of its digits is 3110400, while the sum is 51.

The square root of 5454631986 is about 73855.4804059929. The cubic root of 5454631986 is about 1760.3072795529.

The spelling of 5454631986 in words is "five billion, four hundred fifty-four million, six hundred thirty-one thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 19 38 57 114 47847649 95695298 143542947 287085894 909105331 1818210662 2727315993 5454631986