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53127717390 = 232511263204047
BaseRepresentation
bin110001011110101010…
…001010001000001110
312002010120011200021200
4301132222022020032
51332301143424030
640223451210330
73560361101226
oct613652121016
9162116150250
1053127717390
1120593236460
12a3684469a6
135018a50a87
1427ddca1086
1515ae265d60
hexc5ea8a20e

53127717390 has 96 divisors (see below), whose sum is σ = 151263230976. Its totient is φ = 12830412480.

The previous prime is 53127717367. The next prime is 53127717413. The reversal of 53127717390 is 9371772135.

53127717390 is a `hidden beast` number, since 531 + 2 + 77 + 17 + 39 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (53127717367) and next prime (53127717413).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 158347 + ... + 362393.

It is an arithmetic number, because the mean of its divisors is an integer number (1575658656).

Almost surely, 253127717390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53127717390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75631615488).

53127717390 is an abundant number, since it is smaller than the sum of its proper divisors (98135513586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53127717390 is a wasteful number, since it uses less digits than its factorization.

53127717390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204334 (or 204331 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 45.

The spelling of 53127717390 in words is "fifty-three billion, one hundred twenty-seven million, seven hundred seventeen thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 263 330 495 526 789 990 1315 1578 2367 2630 2893 3945 4734 5786 7890 8679 11835 14465 17358 23670 26037 28930 43395 52074 86790 130185 204047 260370 408094 612141 1020235 1224282 1836423 2040470 2244517 3060705 3672846 4489034 6121410 6733551 9182115 11222585 13467102 18364230 20200653 22445170 33667755 40401306 53664361 67335510 101003265 107328722 160993083 202006530 268321805 321986166 482979249 536643610 590307971 804965415 965958498 1180615942 1609930830 1770923913 2414896245 2951539855 3541847826 4829792490 5312771739 5903079710 8854619565 10625543478 17709239130 26563858695 53127717390