Search a number
-
+
70243355237 = 1125912317993
BaseRepresentation
bin100000101101011010…
…1001000101001100101
320201022101021011111112
41001122311020221211
52122324244331422
652134102514405
75034460445066
oct1013265105145
9221271234445
1070243355237
11278765a7500
1211744435a05
1368159a1733
14358508256d
151c61b80ee2
hex105ad48a65

70243355237 has 24 divisors (see below), whose sum is σ = 78591891840. Its totient is φ = 62716420800.

The previous prime is 70243355209. The next prime is 70243355311. The reversal of 70243355237 is 73255334207.

It is not a de Polignac number, because 70243355237 - 28 = 70243354981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70243355194 and 70243355203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70243255237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8784113 + ... + 8792105.

It is an arithmetic number, because the mean of its divisors is an integer number (3274662160).

Almost surely, 270243355237 is an apocalyptic number.

It is an amenable number.

70243355237 is a deficient number, since it is larger than the sum of its proper divisors (8348536603).

70243355237 is a wasteful number, since it uses less digits than its factorization.

70243355237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9305 (or 9294 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 41.

The spelling of 70243355237 in words is "seventy billion, two hundred forty-three million, three hundred fifty-five thousand, two hundred thirty-seven".

Divisors: 1 11 59 121 649 1231 7139 7993 13541 72629 87923 148951 471587 798919 967153 5187457 8788109 9839383 57062027 108233213 580523597 1190565343 6385759567 70243355237