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1220202110148 = 2237191097014107
BaseRepresentation
bin10001110000011001101…
…101101001110011000100
311022122112222112122020020
4101300121231221303010
5124442433220011043
62332315245535140
7154104513543240
oct21603155516304
94278488478206
101220202110148
1143053730a49a
121785972744b0
138b0abb08238
14430b55c1420
1521b1857ae83
hex11c19b69cc4

1220202110148 has 96 divisors (see below), whose sum is σ = 3456552422400. Its totient is φ = 327250129536.

The previous prime is 1220202110147. The next prime is 1220202110201. The reversal of 1220202110148 is 8410112020221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220202110147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3333090 + ... + 3681017.

It is an arithmetic number, because the mean of its divisors is an integer number (36005754400).

Almost surely, 21220202110148 is an apocalyptic number.

It is an amenable number.

1220202110148 is an abundant number, since it is smaller than the sum of its proper divisors (2236350312252).

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

1220202110148 is a wasteful number, since it uses less digits than its factorization.

1220202110148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014249 (or 7014247 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 1220202110148 its reverse (8410112020221), we get a palindrome (9630314130369).

The spelling of 1220202110148 in words is "one trillion, two hundred twenty billion, two hundred two million, one hundred ten thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 109 114 133 218 228 266 327 399 436 532 654 763 798 1308 1526 1596 2071 2289 3052 4142 4578 6213 8284 9156 12426 14497 24852 28994 43491 57988 86982 173964 7014107 14028214 21042321 28056428 42084642 49098749 84169284 98197498 133268033 147296247 196394996 266536066 294592494 399804099 533072132 589184988 764537663 799608198 932876231 1529075326 1599216396 1865752462 2293612989 2798628693 3058150652 3731504924 4587225978 5351763641 5597257386 9174451956 10703527282 11194514772 14526215597 16055290923 21407054564 29052431194 32110581846 43578646791 58104862388 64221163692 87157293582 101683509179 174314587164 203367018358 305050527537 406734036716 610101055074 1220202110148