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20554354101430 = 2530733120227279
BaseRepresentation
bin1001010110001101011101…
…11110011000110010110110
32200202222101021111122211001
410223012232332120302312
510143230304122221210
6111414312342233514
74221001025106262
oct453065676306266
980688337448731
1020554354101430
116605064048416
12237b6a372589a
13b61362283bb6
14510b9c17d0a2
152599ec72d03a
hex12b1aef98cb6

20554354101430 has 32 divisors (see below), whose sum is σ = 37230493386240. Its totient is φ = 8170202129760.

The previous prime is 20554354101427. The next prime is 20554354101443. The reversal of 20554354101430 is 3410145345502.

It is a self number, because there is not a number n which added to its sum of digits gives 20554354101430.

It is a congruent 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, 9097470 + ... + 11129809.

It is an arithmetic number, because the mean of its divisors is an integer number (1163452918320).

Almost surely, 220554354101430 is an apocalyptic number.

20554354101430 is a deficient number, since it is larger than the sum of its proper divisors (16676139284810).

20554354101430 is a wasteful number, since it uses less digits than its factorization.

20554354101430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20227924.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 20554354101430 its reverse (3410145345502), we get a palindrome (23964499446932).

The spelling of 20554354101430 in words is "twenty trillion, five hundred fifty-four billion, three hundred fifty-four million, one hundred one thousand, four hundred thirty".

Divisors: 1 2 5 10 307 331 614 662 1535 1655 3070 3310 101617 203234 508085 1016170 20227279 40454558 101136395 202272790 6209774653 6695229349 12419549306 13390458698 31048873265 33476146745 62097746530 66952293490 2055435410143 4110870820286 10277177050715 20554354101430