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69150920040 = 233253161157647
BaseRepresentation
bin100000001100110110…
…1110100110101101000
320121111020122201010200
41000121231310311220
52113110113420130
651433440112200
74665424056606
oct1003155646550
9217436581120
1069150920040
11273659897a4
121149a605660
1366a056c087
1434bdd52876
151beace1760
hex1019b74d68

69150920040 has 384 divisors, whose sum is σ = 237661931520. Its totient is φ = 17414092800.

The previous prime is 69150920029. The next prime is 69150920053. The reversal of 69150920040 is 4002905196.

69150920040 is a `hidden beast` number, since 6 + 91 + 509 + 20 + 0 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 69150919977 and 69150920004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 106878997 + ... + 106879643.

It is an arithmetic number, because the mean of its divisors is an integer number (618911280).

Almost surely, 269150920040 is an apocalyptic number.

69150920040 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 69150920040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118830965760).

69150920040 is an abundant number, since it is smaller than the sum of its proper divisors (168511011480).

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

69150920040 is a wasteful number, since it uses less digits than its factorization.

69150920040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 69150920040 in words is "sixty-nine billion, one hundred fifty million, nine hundred twenty thousand, forty".