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54469297644 = 223171491791989
BaseRepresentation
bin110010101110100111…
…111000010111101100
312012121001121000102020
4302232213320113230
51343023120011034
641004534030140
73635541251016
oct625647702754
9165531530366
1054469297644
1121111553573
12a6817a8350
1351a0986948
1428ca1271b6
15163be1b249
hexcae9f85ec

54469297644 has 48 divisors (see below), whose sum is σ = 135474444000. Its totient is φ = 16973710336.

The previous prime is 54469297621. The next prime is 54469297651. The reversal of 54469297644 is 44679296445.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865599 + ... + 926390.

It is an arithmetic number, because the mean of its divisors is an integer number (2822384250).

Almost surely, 254469297644 is an apocalyptic number.

It is an amenable number.

54469297644 is an abundant number, since it is smaller than the sum of its proper divisors (81005146356).

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

54469297644 is a wasteful number, since it uses less digits than its factorization.

54469297644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792162 (or 1792160 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 60.

The spelling of 54469297644 in words is "fifty-four billion, four hundred sixty-nine million, two hundred ninety-seven thousand, six hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 149 204 298 447 596 894 1788 2533 5066 7599 10132 15198 30396 1791989 3583978 5375967 7167956 10751934 21503868 30463813 60927626 91391439 121855252 182782878 267006361 365565756 534012722 801019083 1068025444 1602038166 3204076332 4539108137 9078216274 13617324411 18156432548 27234648822 54469297644