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53312040045 = 325111132713517
BaseRepresentation
bin110001101001101001…
…010010110001101101
312002121102000020102200
4301221221102301231
51333140340240140
640254034012113
73565056602115
oct615151226155
9162542006380
1053312040045
1120678290830
12a3ba117039
135047ca9334
14281a562045
1515c0525030
hexc69a52c6d

53312040045 has 96 divisors (see below), whose sum is σ = 102104630784. Its totient is φ = 25517721600.

The previous prime is 53312040043. The next prime is 53312040059. The reversal of 53312040045 is 54004021335.

53312040045 is a `hidden beast` number, since 533 + 120 + 4 + 0 + 0 + 4 + 5 = 666.

53312040045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53312040045 - 21 = 53312040043 is a prime.

It is a super-2 number, since 2×533120400452 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53312040043) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15156627 + ... + 15160143.

It is an arithmetic number, because the mean of its divisors is an integer number (1063589904).

Almost surely, 253312040045 is an apocalyptic number.

53312040045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53312040045 is a deficient number, since it is larger than the sum of its proper divisors (48792590739).

53312040045 is a wasteful number, since it uses less digits than its factorization.

53312040045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923 (or 3920 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 53312040045 in words is "fifty-three billion, three hundred twelve million, forty thousand, forty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 113 165 271 339 495 565 813 1017 1243 1355 1695 2439 2981 3517 3729 4065 5085 6215 8943 10551 11187 12195 14905 17585 18645 26829 30623 31653 38687 44715 52755 55935 91869 116061 134145 153115 158265 193435 275607 336853 348183 397421 459345 580305 953107 1010559 1192263 1378035 1684265 1740915 1987105 2859321 3031677 3576789 4371631 4765535 5052795 5961315 8577963 10484177 13114893 14296605 15158385 17883945 21858155 31452531 39344679 42889815 52420885 65574465 94357593 107701091 157262655 196723395 323103273 471787965 538505455 969309819 1184712001 1615516365 3554136003 4846549095 5923560005 10662408009 17770680015 53312040045