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4972558161 = 312371339951
BaseRepresentation
bin1001010000110001…
…10011011101010001
3110211112202010102210
410220120303131101
540140433330121
62141231102333
7234140022054
oct45030633521
913745663383
104972558161
1121219745aa
12b693719a9
1361327110c
1435259aa9b
151e1835876
hex128633751

4972558161 has 8 divisors (see below), whose sum is σ = 6635442304. Its totient is φ = 3312356400.

The previous prime is 4972558159. The next prime is 4972558169. The reversal of 4972558161 is 1618552794.

It is a happy number.

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

It is not a de Polignac number, because 4972558161 - 21 = 4972558159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4972558161.

It is not an unprimeable number, because it can be changed into a prime (4972558169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666265 + ... + 673686.

It is an arithmetic number, because the mean of its divisors is an integer number (829430288).

Almost surely, 24972558161 is an apocalyptic number.

It is an amenable number.

4972558161 is a deficient number, since it is larger than the sum of its proper divisors (1662884143).

4972558161 is a wasteful number, since it uses less digits than its factorization.

4972558161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341191.

The product of its digits is 604800, while the sum is 48.

The square root of 4972558161 is about 70516.3680360808. The cubic root of 4972558161 is about 1706.8418803868.

The spelling of 4972558161 in words is "four billion, nine hundred seventy-two million, five hundred fifty-eight thousand, one hundred sixty-one".

Divisors: 1 3 1237 3711 1339951 4019853 1657519387 4972558161