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1221302023098 = 238312821191281
BaseRepresentation
bin10001110001011011010…
…001011111001110111010
311022202101122020000010220
4101301123101133032322
5130002211304214343
62333020340520510
7154144000624443
oct21613321371672
94282348200126
101221302023098
11430a51175363
121788436b0136
138b2259583c1
144317b6da2ca
1521b7ede6183
hex11c5b45f3ba

1221302023098 has 32 divisors (see below), whose sum is σ = 2472238746432. Its totient is φ = 402162374400.

The previous prime is 1221302023087. The next prime is 1221302023099. The reversal of 1221302023098 is 8903202031221.

It is not an unprimeable number, because it can be changed into a prime (1221302023099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6289218 + ... + 6480498.

It is an arithmetic number, because the mean of its divisors is an integer number (77257460826).

Almost surely, 21221302023098 is an apocalyptic number.

1221302023098 is an abundant number, since it is smaller than the sum of its proper divisors (1250936723334).

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

1221302023098 is a wasteful number, since it uses less digits than its factorization.

1221302023098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204190.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 1221302023098 in words is "one trillion, two hundred twenty-one billion, three hundred two million, twenty-three thousand, ninety-eight".

Divisors: 1 2 3 6 83 166 249 498 12821 25642 38463 76926 191281 382562 573843 1064143 1147686 2128286 3192429 6384858 15876323 31752646 47628969 95257938 2452413701 4904827402 7357241103 14714482206 203550337183 407100674366 610651011549 1221302023098