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2220665521152 = 21031355605607
BaseRepresentation
bin100000010100001001111…
…110101100010000000000
321212021220222221210002210
4200110021332230100000
5242340410333134102
64420054252542120
7316303106325621
oct40241176542000
97767828853083
102220665521152
11786862880991
122ba468481940
1313153c0b7a70
14796a33b7a48
153cb7082e36c
hex20509fac400

2220665521152 has 88 divisors (see below), whose sum is σ = 6374182056256. Its totient is φ = 683281686528.

The previous prime is 2220665521121. The next prime is 2220665521163. The reversal of 2220665521152 is 2511255660222.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2220665521152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27762868 + ... + 27842739.

Almost surely, 22220665521152 is an apocalyptic number.

It is an amenable number.

2220665521152 is an abundant number, since it is smaller than the sum of its proper divisors (4153516535104).

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

2220665521152 is a wasteful number, since it uses less digits than its factorization.

2220665521152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55605643 (or 55605625 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 2220665521152 in words is "two trillion, two hundred twenty billion, six hundred sixty-five million, five hundred twenty-one thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 512 624 768 832 1024 1248 1536 1664 2496 3072 3328 4992 6656 9984 13312 19968 39936 55605607 111211214 166816821 222422428 333633642 444844856 667267284 722872891 889689712 1334534568 1445745782 1779379424 2168618673 2669069136 2891491564 3558758848 4337237346 5338138272 5782983128 7117517696 8674474692 10676276544 11565966256 14235035392 17348949384 21352553088 23131932512 28470070784 34697898768 42705106176 46263865024 56940141568 69395797536 85410212352 92527730048 138791595072 170820424704 185055460096 277583190144 370110920192 555166380288 740221840384 1110332760576 2220665521152