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190243561044 = 223131541223697
BaseRepresentation
bin1011000100101101100…
…1100101111001010100
3200012001101211020022110
42301023121211321110
511104104322423134
6223221403431020
716513261405365
oct2611331457124
9605041736273
10190243561044
1173755592209
1230a54225470
1314c2ac2b684
1492ca43db6c
154e36b777e9
hex2c4b665e54

190243561044 has 48 divisors (see below), whose sum is σ = 448118991936. Its totient is φ = 62813836800.

The previous prime is 190243561043. The next prime is 190243561093. The reversal of 190243561044 is 440165342091.

190243561044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1902435610442 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190243560993 and 190243561011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190243561043) 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 15 ways as a sum of consecutive naturals, for example, 738604 + ... + 962300.

It is an arithmetic number, because the mean of its divisors is an integer number (9335812332).

Almost surely, 2190243561044 is an apocalyptic number.

It is an amenable number.

190243561044 is an abundant number, since it is smaller than the sum of its proper divisors (257875430892).

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

190243561044 is a wasteful number, since it uses less digits than its factorization.

190243561044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224376 (or 224374 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 190243561044 in words is "one hundred ninety billion, two hundred forty-three million, five hundred sixty-one thousand, forty-four".

Divisors: 1 2 3 4 6 12 131 262 393 524 541 786 1082 1572 1623 2164 3246 6492 70871 141742 212613 223697 283484 425226 447394 671091 850452 894788 1342182 2684364 29304307 58608614 87912921 117217228 121020077 175825842 242040154 351651684 363060231 484080308 726120462 1452240924 15853630087 31707260174 47560890261 63414520348 95121780522 190243561044