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1223011001310 = 235725315697741
BaseRepresentation
bin10001110011000001001…
…000101110001111011110
311022220210201222002112020
4101303001020232033132
5130014211304020220
62333502110121010
7154234231662300
oct21630110561736
94286721862466
101223011001310
1143174890aa4a
1217903bab0166
138b438a29407
14432a067b970
1521c2ee70040
hex11cc122e3de

1223011001310 has 96 divisors (see below), whose sum is σ = 3478870791072. Its totient is φ = 274270913280.

The previous prime is 1223011001309. The next prime is 1223011001327. The reversal of 1223011001310 is 131001103221.

It is a happy number.

It is a super-2 number, since 2×12230110013102 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1223011001310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7770961 + ... + 7926780.

It is an arithmetic number, because the mean of its divisors is an integer number (36238237407).

Almost surely, 21223011001310 is an apocalyptic number.

1223011001310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223011001310 is an abundant number, since it is smaller than the sum of its proper divisors (2255859789762).

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

1223011001310 is a wasteful number, since it uses less digits than its factorization.

1223011001310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15697818 (or 15697811 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1223011001310 its reverse (131001103221), we get a palindrome (1354012104531).

The spelling of 1223011001310 in words is "one trillion, two hundred twenty-three billion, eleven million, one thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 53 70 98 105 106 147 159 210 245 265 294 318 371 490 530 735 742 795 1113 1470 1590 1855 2226 2597 3710 5194 5565 7791 11130 12985 15582 25970 38955 77910 15697741 31395482 47093223 78488705 94186446 109884187 156977410 219768374 235466115 329652561 470932230 549420935 659305122 769189309 831980273 1098841870 1538378618 1648262805 1663960546 2307567927 2495940819 3296525610 3845946545 4159901365 4615135854 4991881638 5823861911 7691893090 8319802730 11537839635 11647723822 12479704095 17471585733 23075679270 24959408190 29119309555 34943171466 40767033377 58238619110 81534066754 87357928665 122301100131 174715857330 203835166885 244602200262 407670333770 611505500655 1223011001310