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2172358942 = 21383552267
BaseRepresentation
bin1000000101111011…
…1001000100011110
312121101200021020121
42001132321010132
513422110441232
6555321105154
7104555513665
oct20136710436
95541607217
102172358942
11a15270476
125076281ba
132880a42c0
14168723ddc
15caaabd97
hex817b911e

2172358942 has 8 divisors (see below), whose sum is σ = 3509195256. Its totient is φ = 1002627192.

The previous prime is 2172358931. The next prime is 2172358961. The reversal of 2172358942 is 2498532712.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41776108 + ... + 41776159.

It is an arithmetic number, because the mean of its divisors is an integer number (438649407).

Almost surely, 22172358942 is an apocalyptic number.

2172358942 is a deficient number, since it is larger than the sum of its proper divisors (1336836314).

2172358942 is a wasteful number, since it uses less digits than its factorization.

2172358942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83552282.

The product of its digits is 241920, while the sum is 43.

The square root of 2172358942 is about 46608.5715507352. The cubic root of 2172358942 is about 1295.1215465090.

The spelling of 2172358942 in words is "two billion, one hundred seventy-two million, three hundred fifty-eight thousand, nine hundred forty-two".

Divisors: 1 2 13 26 83552267 167104534 1086179471 2172358942