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54107772450 = 23521392595097
BaseRepresentation
bin110010011001000100…
…110001011000100010
312011122212022122002020
4302121010301120202
51341303042204300
640505021202310
73623561322504
oct623104613042
9164585278066
1054107772450
1120a46477316
12a5a0700396
135143ac6904
1428940d9d74
15161a3078a0
hexc99131622

54107772450 has 48 divisors (see below), whose sum is σ = 135152703840. Its totient is φ = 14324929920.

The previous prime is 54107772421. The next prime is 54107772487. The reversal of 54107772450 is 5427770145.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1276699 + ... + 1318398.

It is an arithmetic number, because the mean of its divisors is an integer number (2815681330).

Almost surely, 254107772450 is an apocalyptic number.

54107772450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54107772450 is an abundant number, since it is smaller than the sum of its proper divisors (81044931390).

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

54107772450 is a wasteful number, since it uses less digits than its factorization.

54107772450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595251 (or 2595246 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 42.

The spelling of 54107772450 in words is "fifty-four billion, one hundred seven million, seven hundred seventy-two thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 139 150 278 417 695 834 1390 2085 3475 4170 6950 10425 20850 2595097 5190194 7785291 12975485 15570582 25950970 38926455 64877425 77852910 129754850 194632275 360718483 389264550 721436966 1082155449 1803592415 2164310898 3607184830 5410777245 9017962075 10821554490 18035924150 27053886225 54107772450