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1220106621270 = 235347117205247
BaseRepresentation
bin10001110000010100000…
…001011001000101010110
311022122022022212022010010
4101300110001121011112
5124442234243340040
62332301555141050
7154102244110065
oct21602401310526
94278268768103
101220106621270
1143049841a269
1217856b2a4786
138b0950b3b44
14430a6a461dc
1521b0eeb7e80
hex11c14059156

1220106621270 has 32 divisors (see below), whose sum is σ = 2936694693888. Its totient is φ = 324424120928.

The previous prime is 1220106621263. The next prime is 1220106621281. The reversal of 1220106621270 is 721266010221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 58592214 + ... + 58613033.

It is an arithmetic number, because the mean of its divisors is an integer number (91771709184).

Almost surely, 21220106621270 is an apocalyptic number.

1220106621270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220106621270 is an abundant number, since it is smaller than the sum of its proper divisors (1716588072618).

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

1220106621270 is a wasteful number, since it uses less digits than its factorization.

1220106621270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117205604.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 1220106621270 in words is "one trillion, two hundred twenty billion, one hundred six million, six hundred twenty-one thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 347 694 1041 1735 2082 3470 5205 10410 117205247 234410494 351615741 586026235 703231482 1172052470 1758078705 3516157410 40670220709 81340441418 122010662127 203351103545 244021324254 406702207090 610053310635 1220106621270