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42031130192164 = 221921706092
BaseRepresentation
bin10011000111010001000101…
…00101011010100100100100
312111211010200201201110211201
421203220202211122210210
521002114223312122124
6225220500141212244
711565435405602401
oct1143504245324444
9174733621643751
1042031130192164
1112435336275aa3
124869ab8561084
131a5b6983b6189
14a544635312a8
154cd4d5b70144
hex263a2295a924

42031130192164 has 27 divisors (see below), whose sum is σ = 77629973176497. Its totient is φ = 19909366026048.

The previous prime is 42031130192153. The next prime is 42031130192209. The reversal of 42031130192164 is 46129103113024.

The square root of 42031130192164 is 6483142.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 32226716752164 + 9804413440000 = 5676858^2 + 3131200^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 246274092 + ... + 246444700.

Almost surely, 242031130192164 is an apocalyptic number.

42031130192164 is the 6483142-nd square number.

It is an amenable number.

42031130192164 is a deficient number, since it is larger than the sum of its proper divisors (35598842984333).

42031130192164 is an frugal number, since it uses more digits than its factorization.

42031130192164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341260 (or 170630 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 42031130192164 in words is "forty-two trillion, thirty-one billion, one hundred thirty million, one hundred ninety-two thousand, one hundred sixty-four".

Divisors: 1 2 4 19 38 76 361 722 1444 170609 341218 682436 3241571 6483142 12966284 61589849 123179698 246359396 29107430881 58214861762 116429723524 553041186739 1106082373478 2212164746956 10507782548041 21015565096082 42031130192164