Search a number
-
+
69208123356 = 2235152346751
BaseRepresentation
bin100000001110100100…
…0000010011111011100
320121122020021221100000
41000131020002133130
52113214234421411
651443242134300
75000020225251
oct1003510023734
9217566257300
1069208123356
11273951aa469
12114b57b1390
1366ac37a0a8
1434c77a3428
151c00d40956
hex101d2027dc

69208123356 has 72 divisors (see below), whose sum is σ = 181545122304. Its totient is φ = 23053734000.

The previous prime is 69208123351. The next prime is 69208123357. The reversal of 69208123356 is 65332180296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69208123351) 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, 1456981 + ... + 1503731.

It is an arithmetic number, because the mean of its divisors is an integer number (2521460032).

Almost surely, 269208123356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69208123356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90772561152).

69208123356 is an abundant number, since it is smaller than the sum of its proper divisors (112336998948).

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

69208123356 is a wasteful number, since it uses less digits than its factorization.

69208123356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48293 (or 48279 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 69208123356 in words is "sixty-nine billion, two hundred eight million, one hundred twenty-three thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 1523 3046 4569 6092 9138 13707 18276 27414 41121 46751 54828 82242 93502 123363 140253 164484 187004 246726 280506 370089 420759 493452 561012 740178 841518 1262277 1480356 1683036 2524554 3786831 5049108 7573662 11360493 15147324 22720986 45441972 71201773 142403546 213605319 284807092 427210638 640815957 854421276 1281631914 1922447871 2563263828 3844895742 5767343613 7689791484 11534687226 17302030839 23069374452 34604061678 69208123356