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42922156032 = 21332721092
BaseRepresentation
bin100111111110010111…
…000010000000000000
311002210022121102222200
4213332113002000000
51200401032443112
631415042433200
73046436210100
oct477627020000
9132708542880
1042922156032
1117226490128
12839a662800
1340805acb82
14211270d200
1511b3300cdc
hex9fe5c2000

42922156032 has 378 divisors, whose sum is σ = 145568377773. Its totient is φ = 12150964224.

The previous prime is 42922156009. The next prime is 42922156073. The reversal of 42922156032 is 23065122924.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

42922156032 is a `hidden beast` number, since 4 + 2 + 92 + 2 + 1 + 560 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41186267136 + 1735888896 = 202944^2 + 41664^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=146496.

It is a super-2 number, since 2×429221560322 (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 393781194 + ... + 393781302.

Almost surely, 242922156032 is an apocalyptic number.

42922156032 is a gapful number since it is divisible by the number (42) 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 42922156032

42922156032 is an abundant number, since it is smaller than the sum of its proper divisors (102646221741).

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

42922156032 is an equidigital number, since it uses as much as digits as its factorization.

42922156032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 121 counting only the distinct ones).

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

Adding to 42922156032 its reverse (23065122924), we get a palindrome (65987278956).

The spelling of 42922156032 in words is "forty-two billion, nine hundred twenty-two million, one hundred fifty-six thousand, thirty-two".