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149956531385 = 543697472239
BaseRepresentation
bin1000101110101000011…
…0110001010010111001
3112100001201200002010212
42023222012301102321
54424102333001020
6152520012520505
713556030325413
oct2135206612271
9470051602125
10149956531385
1158661609581
1225090180135
13111aa56cb9b
147387ab79b3
153d79d94cc5
hex22ea1b14b9

149956531385 has 8 divisors (see below), whose sum is σ = 184132671360. Its totient is φ = 117175335984.

The previous prime is 149956531379. The next prime is 149956531411. The reversal of 149956531385 is 583135659941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149956531385 - 26 = 149956531321 is a prime.

It is a super-2 number, since 2×1499565313852 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348735905 + ... + 348736334.

It is an arithmetic number, because the mean of its divisors is an integer number (23016583920).

Almost surely, 2149956531385 is an apocalyptic number.

It is an amenable number.

149956531385 is a deficient number, since it is larger than the sum of its proper divisors (34176139975).

149956531385 is an equidigital number, since it uses as much as digits as its factorization.

149956531385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697472287.

The product of its digits is 17496000, while the sum is 59.

The spelling of 149956531385 in words is "one hundred forty-nine billion, nine hundred fifty-six million, five hundred thirty-one thousand, three hundred eighty-five".

Divisors: 1 5 43 215 697472239 3487361195 29991306277 149956531385