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155089974269 = 3203444110903
BaseRepresentation
bin1001000001110000010…
…1010011001111111101
3112211022111010222221002
42100130011103033331
510020111013134034
6155125232220045
714130163013246
oct2203405231775
9484274128832
10155089974269
115a85627a15a
122608339a625
1311817c51359
147713793ccd
15407a8a9e7e
hex241c1533fd

155089974269 has 8 divisors (see below), whose sum is σ = 155187559872. Its totient is φ = 154992425760.

The previous prime is 155089974253. The next prime is 155089974283. The reversal of 155089974269 is 962479980551.

155089974269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155089974269 - 24 = 155089974253 is a prime.

It is a super-2 number, since 2×1550899742692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155089976269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14219072 + ... + 14229974.

It is an arithmetic number, because the mean of its divisors is an integer number (19398444984).

Almost surely, 2155089974269 is an apocalyptic number.

It is an amenable number.

155089974269 is a deficient number, since it is larger than the sum of its proper divisors (97585603).

155089974269 is a wasteful number, since it uses less digits than its factorization.

155089974269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18547.

The product of its (nonzero) digits is 48988800, while the sum is 65.

The spelling of 155089974269 in words is "one hundred fifty-five billion, eighty-nine million, nine hundred seventy-four thousand, two hundred sixty-nine".

Divisors: 1 3203 4441 10903 14224523 34922309 48420223 155089974269