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152809420031 = 257594589183
BaseRepresentation
bin1000111001010000100…
…1101011010011111111
3112121102112212211122022
42032110021223103333
510000423202420111
6154111044110355
714016521432132
oct2162411532377
9477375784568
10152809420031
1159895a2aa94
12257476953bb
1311543627288
147578948219
153e9557a2db
hex239426b4ff

152809420031 has 4 divisors (see below), whose sum is σ = 153404009472. Its totient is φ = 152214830592.

The previous prime is 152809419991. The next prime is 152809420051. The reversal of 152809420031 is 130024908251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152809420031 - 218 = 152809157887 is a prime.

It is a super-2 number, since 2×1528094200312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152809419973 and 152809420000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152809420051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297294335 + ... + 297294848.

It is an arithmetic number, because the mean of its divisors is an integer number (38351002368).

Almost surely, 2152809420031 is an apocalyptic number.

152809420031 is a deficient number, since it is larger than the sum of its proper divisors (594589441).

152809420031 is an equidigital number, since it uses as much as digits as its factorization.

152809420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594589440.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 152809420031 in words is "one hundred fifty-two billion, eight hundred nine million, four hundred twenty thousand, thirty-one".

Divisors: 1 257 594589183 152809420031