Search a number
-
+
145396769686 = 272172316323279
BaseRepresentation
bin1000011101101001010…
…0101010001110010110
3111220021221200011222221
42013122110222032112
54340233033112221
6150443325212554
713335032102500
oct2073224521626
9456257604887
10145396769686
1156731760083
122421910115a
13109319a0a3c
147074292d70
153bae8ee541
hex21da52a396

145396769686 has 96 divisors (see below), whose sum is σ = 282037386240. Its totient is φ = 55750996224.

The previous prime is 145396769671. The next prime is 145396769753. The reversal of 145396769686 is 686967693541.

It is a super-2 number, since 2×1453967696862 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6234195 + ... + 6257473.

It is an arithmetic number, because the mean of its divisors is an integer number (2937889440).

Almost surely, 2145396769686 is an apocalyptic number.

145396769686 is a deficient number, since it is larger than the sum of its proper divisors (136640616554).

145396769686 is a wasteful number, since it uses less digits than its factorization.

145396769686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23498 (or 23491 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 70.

The spelling of 145396769686 in words is "one hundred forty-five billion, three hundred ninety-six million, seven hundred sixty-nine thousand, six hundred eighty-six".

Divisors: 1 2 7 14 17 23 34 46 49 98 119 161 163 238 322 326 391 782 833 1127 1141 1666 2254 2282 2737 2771 3749 5474 5542 7498 7987 15974 19159 19397 23279 26243 38318 38794 46558 52486 63733 127466 135779 162953 183701 271558 325906 367402 395743 446131 535417 791486 892262 1070834 1140671 2281342 2770201 3122917 3747919 3794477 5540402 6245834 7495838 7588954 9102089 18204178 19391407 26235433 26561339 38782814 52470866 53122678 63714623 64506109 87272971 127429246 129012218 174545942 185929373 371858746 446002361 451542763 610910797 892004722 903085526 1221821594 1483640507 2967281014 3160799341 4276375579 6321598682 8552751158 10385483549 20770967098 72698384843 145396769686