Search a number
-
+
231545353002341 = 71973491208923251
BaseRepresentation
bin110100101001011011011010…
…100000111101110101100101
31010100211112000202122012000112
4310221123122200331311211
5220322114340332033331
62140242244450422405
766525412461551150
oct6451333240756545
91110745022565015
10231545353002341
1167860918438704
1221b7705a291a05
139c2782cbc0491
144126bd7b18c97
151bb805cb2e32b
hexd296da83dd65

231545353002341 has 64 divisors (see below), whose sum is σ = 283089268070400. Its totient is φ = 184971911040000.

The previous prime is 231545353002307. The next prime is 231545353002361. The reversal of 231545353002341 is 143200353545132.

It is not a de Polignac number, because 231545353002341 - 218 = 231545352740197 is a prime.

It is a super-2 number, since 2×2315453530023412 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231545353002361) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9958499966 + ... + 9958523216.

It is an arithmetic number, because the mean of its divisors is an integer number (4423269813600).

Almost surely, 2231545353002341 is an apocalyptic number.

It is an amenable number.

231545353002341 is a deficient number, since it is larger than the sum of its proper divisors (51543915068059).

231545353002341 is a wasteful number, since it uses less digits than its factorization.

231545353002341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25930.

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 231545353002341 in words is "two hundred thirty-one trillion, five hundred forty-five billion, three hundred fifty-three million, two thousand, three hundred forty-one".

Divisors: 1 7 19 73 133 491 511 1387 2089 3437 9329 9709 14623 23251 35843 39691 65303 152497 162757 250901 277837 441769 681017 1025699 1067479 1697323 2897443 3092383 4767119 7179893 11416241 11881261 19488281 20282101 32249137 48571339 74876027 79913687 136417967 216908579 225743959 339999373 524132189 833385593 922855441 1422644513 1518360053 3545707747 5833699151 6459988087 9958511591 15834326267 23848527449 24819954229 67368447193 110840283869 166939692143 453122021531 471579130351 1740942503777 3171854150717 12186597526439 33077907571763 231545353002341