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22053711280 = 245537576871
BaseRepresentation
bin10100100010100000…
…001110110110110000
32002220221221121111111
4110202200032312300
5330131222230110
614044211323104
71410340311226
oct244240166660
962827847444
1022053711280
119397821777
1243358b0494
132106009703
1410d2d62b16
158911dce8a
hex52280edb0

22053711280 has 80 divisors (see below), whose sum is σ = 52318954944. Its totient is φ = 8642350080.

The previous prime is 22053711269. The next prime is 22053711313. The reversal of 22053711280 is 8211735022.

It is a tau number, because it is divible by the number of its divisors (80).

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, 3206245 + ... + 3213115.

Almost surely, 222053711280 is an apocalyptic number.

22053711280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22053711280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26159477472).

22053711280 is an abundant number, since it is smaller than the sum of its proper divisors (30265243664).

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

22053711280 is a wasteful number, since it uses less digits than its factorization.

22053711280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694 (or 7688 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 22053711280 in words is "twenty-two billion, fifty-three million, seven hundred eleven thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 53 80 106 212 265 424 530 757 848 1060 1514 2120 3028 3785 4240 6056 6871 7570 12112 13742 15140 27484 30280 34355 40121 54968 60560 68710 80242 109936 137420 160484 200605 274840 320968 364163 401210 549680 641936 728326 802420 1456652 1604840 1820815 2913304 3209680 3641630 5201347 5826608 7283260 10402694 14566520 20805388 26006735 29133040 41610776 52013470 83221552 104026940 208053880 275671391 416107760 551342782 1102685564 1378356955 2205371128 2756713910 4410742256 5513427820 11026855640 22053711280