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2210106907780 = 2251447345722091
BaseRepresentation
bin100000001010010100101…
…000110001110010000100
321211021200011001122111021
4200022110220301302010
5242202244332022110
64411150433120524
7315450336516352
oct40122450616204
97737604048437
102210106907780
11782334806432
122b84003b9144
13130548762745
1478d80da27d2
153c7538cb2da
hex20294a31c84

2210106907780 has 48 divisors (see below), whose sum is σ = 4645985774976. Its totient is φ = 883136286720.

The previous prime is 2210106907759. The next prime is 2210106907787. The reversal of 2210106907780 is 877096010122.

It is not an unprimeable number, because it can be changed into a prime (2210106907787) 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, 100034535 + ... + 100056625.

It is an arithmetic number, because the mean of its divisors is an integer number (96791370312).

Almost surely, 22210106907780 is an apocalyptic number.

2210106907780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210106907780 is an abundant number, since it is smaller than the sum of its proper divisors (2435878867196).

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

2210106907780 is a wasteful number, since it uses less digits than its factorization.

2210106907780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27004 (or 27002 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 2210106907780 in words is "two trillion, two hundred ten billion, one hundred six million, nine hundred seven thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 1447 2894 3457 5788 6914 7235 13828 14470 17285 22091 28940 34570 44182 69140 88364 110455 220910 441820 5002279 10004558 20009116 25011395 31965677 50022790 63931354 76368587 100045580 127862708 152737174 159828385 305474348 319656770 381842935 639313540 763685870 1527371740 110505345389 221010690778 442021381556 552526726945 1105053453890 2210106907780