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228430253568 = 2931113519783
BaseRepresentation
bin1101010010111110000…
…0010000111000000000
3210211121200211012120210
43110233200100320000
512220311121103233
6252534525034120
722334500055436
oct3245740207000
9724550735523
10228430253568
1188970a17530
12383309b5940
1318705411a1a
14b0adc6cd56
155e1e378163
hex352f810e00

228430253568 has 80 divisors (see below), whose sum is σ = 663875473536. Its totient is φ = 69221283840.

The previous prime is 228430253561. The next prime is 228430253633. The reversal of 228430253568 is 865352034822.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228430253561) 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, 6742996 + ... + 6776787.

Almost surely, 2228430253568 is an apocalyptic number.

It is an amenable number.

228430253568 is an abundant number, since it is smaller than the sum of its proper divisors (435445219968).

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

228430253568 is a wasteful number, since it uses less digits than its factorization.

228430253568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13519815 (or 13519799 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 228430253568 in words is "two hundred twenty-eight billion, four hundred thirty million, two hundred fifty-three thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 256 264 352 384 512 528 704 768 1056 1408 1536 2112 2816 4224 5632 8448 16896 13519783 27039566 40559349 54079132 81118698 108158264 148717613 162237396 216316528 297435226 324474792 432633056 446152839 594870452 648949584 865266112 892305678 1189740904 1297899168 1730532224 1784611356 2379481808 2595798336 3461064448 3569222712 4758963616 5191596672 6922128896 7138445424 9517927232 10383193344 14276890848 19035854464 20766386688 28553781696 38071708928 57107563392 76143417856 114215126784 228430253568