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3887294223680 = 265712853135019
BaseRepresentation
bin111000100100010100110…
…010101001010101000000
3111202121210012220001020022
4320210110302221111000
51002142134310124210
612133444234033012
7550563526501010
oct70442462512500
914677705801208
103887294223680
11126965727a78a
12529472b78768
13222754b71b6a
14d6208a61c40
156b1b658b155
hex38914ca9540

3887294223680 has 112 divisors (see below), whose sum is σ = 10579894999680. Its totient is φ = 1332673026048.

The previous prime is 3887294223653. The next prime is 3887294223689. The reversal of 3887294223680 is 863224927883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×38872942236802 (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3887294223689) 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, 28723211 + ... + 28858229.

Almost surely, 23887294223680 is an apocalyptic number.

It is an amenable number.

3887294223680 is an abundant number, since it is smaller than the sum of its proper divisors (6692600776000).

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

3887294223680 is a wasteful number, since it uses less digits than its factorization.

3887294223680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147896 (or 147886 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 3887294223680 in words is "three trillion, eight hundred eighty-seven billion, two hundred ninety-four million, two hundred twenty-three thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 12853 25706 51412 64265 89971 102824 128530 135019 179942 205648 257060 270038 359884 411296 449855 514120 540076 675095 719768 822592 899710 945133 1028240 1080152 1350190 1439536 1799420 1890266 2056480 2160304 2700380 2879072 3598840 3780532 4112960 4320608 4725665 5400760 5758144 7197680 7561064 8641216 9451330 10801520 14395360 15122128 18902660 21603040 28790720 30244256 37805320 43206080 60488512 75610640 151221280 302442560 1735399207 3470798414 6941596828 8676996035 12147794449 13883193656 17353992070 24295588898 27766387312 34707984140 48591177796 55532774624 60738972245 69415968280 97182355592 111065549248 121477944490 138831936560 194364711184 242955888980 277663873120 388729422368 485911777960 555327746240 777458844736 971823555920 1943647111840 3887294223680