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28554225744 = 24311173312601
BaseRepresentation
bin11010100101111101…
…101110100001010000
32201200222210221221110
4122211331232201100
5431434340210434
621041224053320
72030412625362
oct324575564120
981628727843
1028554225744
1111123130480
12564a904240
1329009aa785
14154c41cd32
15b21c414e9
hex6a5f6e850

28554225744 has 80 divisors (see below), whose sum is σ = 80936409024. Its totient is φ = 8602752000.

The previous prime is 28554225743. The next prime is 28554225769. The reversal of 28554225744 is 44752245582.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 28554225693 and 28554225702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28554225743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64957 + ... + 247644.

Almost surely, 228554225744 is an apocalyptic number.

28554225744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28554225744 is an abundant number, since it is smaller than the sum of its proper divisors (52382183280).

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

28554225744 is a wasteful number, since it uses less digits than its factorization.

28554225744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312796 (or 312790 counting only the distinct ones).

The product of its digits is 3584000, while the sum is 48.

The spelling of 28554225744 in words is "twenty-eight billion, five hundred fifty-four million, two hundred twenty-five thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 173 176 264 346 519 528 692 1038 1384 1903 2076 2768 3806 4152 5709 7612 8304 11418 15224 22836 30448 45672 91344 312601 625202 937803 1250404 1875606 2500808 3438611 3751212 5001616 6877222 7502424 10315833 13754444 15004848 20631666 27508888 41263332 54079973 55017776 82526664 108159946 162239919 165053328 216319892 324479838 432639784 594879703 648959676 865279568 1189759406 1297919352 1784639109 2379518812 2595838704 3569278218 4759037624 7138556436 9518075248 14277112872 28554225744