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69423142500 = 2233542397461
BaseRepresentation
bin100000010100111110…
…0010001011001100100
320122012012220001011000
41000221330101121210
52114134311030000
651520442513300
75005240655235
oct1005174213144
9218165801130
1069423142500
1127495610538
1211555805830
136714a9265a
14350817508c
151c14b65000
hex1029f11664

69423142500 has 480 divisors, whose sum is σ = 237622936320. Its totient is φ = 17487360000.

The previous prime is 69423142499. The next prime is 69423142507. The reversal of 69423142500 is 524132496.

It is a happy number.

69423142500 is a `hidden beast` number, since 6 + 9 + 4 + 2 + 3 + 142 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (69423142507) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 150592270 + ... + 150592730.

It is an arithmetic number, because the mean of its divisors is an integer number (495047784).

Almost surely, 269423142500 is an apocalyptic number.

69423142500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69423142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118811468160).

69423142500 is an abundant number, since it is smaller than the sum of its proper divisors (168199793820).

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

69423142500 is a wasteful number, since it uses less digits than its factorization.

69423142500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 69423142500 its reverse (524132496), we get a palindrome (69947274996).

The spelling of 69423142500 in words is "sixty-nine billion, four hundred twenty-three million, one hundred forty-two thousand, five hundred".