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2220665124642 = 231093395512423
BaseRepresentation
bin100000010100001001111…
…101001011011100100010
321212021220222012122012020
4200110021331023130202
5242340410232442032
64420054240242310
7316303103054616
oct40241175133442
97767828178166
102220665124642
1178686262aa98
122ba468310396
1313153bca9443
14796a3313346
153cb707a1b2c
hex20509f4b722

2220665124642 has 16 divisors (see below), whose sum is σ = 4482076399680. Its totient is φ = 733430683152.

The previous prime is 2220665124631. The next prime is 2220665124661. The reversal of 2220665124642 is 2464215660222.

It is a junction number, because it is equal to n+sod(n) for n = 2220665124594 and 2220665124603.

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, 1697755558 + ... + 1697756865.

It is an arithmetic number, because the mean of its divisors is an integer number (280129774980).

Almost surely, 22220665124642 is an apocalyptic number.

2220665124642 is an abundant number, since it is smaller than the sum of its proper divisors (2261411275038).

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

2220665124642 is a wasteful number, since it uses less digits than its factorization.

2220665124642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395512537.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 2220665124642 in words is "two trillion, two hundred twenty billion, six hundred sixty-five million, one hundred twenty-four thousand, six hundred forty-two".

Divisors: 1 2 3 6 109 218 327 654 3395512423 6791024846 10186537269 20373074538 370110854107 740221708214 1110332562321 2220665124642